420421968

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 320

約数和(自身を含む): 1414195200

約数和(自身を除く): 993773232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 23, 24, 27, 34, 36, 38, 46, 48, 51, 54, 57, 68, 69, 72, 76, 92, 102, 108, 114, 131, 136, 138, 144, 152, 153, 171, 184, 204, 207, 216, 228, 262, 272, 276, 304, 306, 323, 342, 368, 391, 393, 408, 414, 432, 437, 456, 459, 513, 524, 552, 612, 621, 646, 684, 782, 786, 816, 828, 874, 912, 918, 969, 1026, 1048, 1104, 1173, 1179, 1224, 1242, 1292, 1311, 1368, 1564, 1572, 1656, 1748, 1836, 1938, 2052, 2096, 2227, 2346, 2358, 2448, 2484, 2489, 2584, 2622, 2736, 2907, 3013, 3128, 3144, 3312, 3496, 3519, 3537, 3672, 3876, 3933, 4104, 4454, 4692, 4716, 4968, 4978, 5168, 5244, 5814, 6026, 6256, 6288, 6681, 6992, 7038, 7074, 7344, 7429, 7467, 7752, 7866, 8208, 8721, 8908, 9039, 9384, 9432, 9936, 9956, 10488, 10557, 11628, 11799, 12052, 13362, 14076, 14148, 14858, 14934, 15504, 15732, 17442, 17816, 18078, 18768, 18864, 19912, 20043, 20976, 21114, 22287, 22401, 23256, 23598, 24104, 26724, 27117, 28152, 28296, 29716, 29868, 31464, 34884, 35632, 36156, 39824, 40086, 42228, 42313, 44574, 44802, 46512, 47196, 48208, 51221, 53448, 54234, 56304, 56592, 57247, 59432, 59736, 60129, 62928, 66861, 67203, 69768, 72312, 80172, 81351, 84456, 84626, 89148, 89604, 94392, 102442, 106896, 108468, 114494, 118864, 119472, 120258, 126939, 133722, 134406, 139536, 144624, 153663, 160344, 162702, 168912, 169252, 171741, 178296, 179208, 188784, 200583, 204884, 216936, 228988, 240516, 253878, 267444, 268812, 307326, 320688, 325404, 338504, 343482, 356592, 358416, 380817, 401166, 409768, 433872, 457976, 460989, 481032, 507756, 515223, 534888, 537624, 614652, 650808, 677008, 686964, 761634, 802332, 819536, 915952, 921978, 962064, 973199, 1015512, 1030446, 1069776, 1075248, 1142451, 1229304, 1301616, 1373928, 1382967, 1523268, 1545669, 1604664, 1843956, 1946398, 2031024, 2060892, 2284902, 2458608, 2747856, 2765934, 2919597, 3046536, 3091338, 3209328, 3687912, 3892796, 4121784, 4569804, 5531868, 5839194, 6093072, 6182676, 7375824, 7785592, 8243568, 8758791, 9139608, 11063736, 11678388, 12365352, 15571184, 17517582, 18279216, 22127472, 23356776, 24730704, 26276373, 35035164, 46713552, 52552746, 70070328, 105105492, 140140656, 210210984, 420421968]

約数ペア:

[(1, 420421968), (2, 210210984), (3, 140140656), (4, 105105492), (6, 70070328), (8, 52552746), (9, 46713552), (12, 35035164), (16, 26276373), (17, 24730704), (18, 23356776), (19, 22127472), (23, 18279216), (24, 17517582), (27, 15571184), (34, 12365352), (36, 11678388), (38, 11063736), (46, 9139608), (48, 8758791), (51, 8243568), (54, 7785592), (57, 7375824), (68, 6182676), (69, 6093072), (72, 5839194), (76, 5531868), (92, 4569804), (102, 4121784), (108, 3892796), (114, 3687912), (131, 3209328), (136, 3091338), (138, 3046536), (144, 2919597), (152, 2765934), (153, 2747856), (171, 2458608), (184, 2284902), (204, 2060892), (207, 2031024), (216, 1946398), (228, 1843956), (262, 1604664), (272, 1545669), (276, 1523268), (304, 1382967), (306, 1373928), (323, 1301616), (342, 1229304), (368, 1142451), (391, 1075248), (393, 1069776), (408, 1030446), (414, 1015512), (432, 973199), (437, 962064), (456, 921978), (459, 915952), (513, 819536), (524, 802332), (552, 761634), (612, 686964), (621, 677008), (646, 650808), (684, 614652), (782, 537624), (786, 534888), (816, 515223), (828, 507756), (874, 481032), (912, 460989), (918, 457976), (969, 433872), (1026, 409768), (1048, 401166), (1104, 380817), (1173, 358416), (1179, 356592), (1224, 343482), (1242, 338504), (1292, 325404), (1311, 320688), (1368, 307326), (1564, 268812), (1572, 267444), (1656, 253878), (1748, 240516), (1836, 228988), (1938, 216936), (2052, 204884), (2096, 200583), (2227, 188784), (2346, 179208), (2358, 178296), (2448, 171741), (2484, 169252), (2489, 168912), (2584, 162702), (2622, 160344), (2736, 153663), (2907, 144624), (3013, 139536), (3128, 134406), (3144, 133722), (3312, 126939), (3496, 120258), (3519, 119472), (3537, 118864), (3672, 114494), (3876, 108468), (3933, 106896), (4104, 102442), (4454, 94392), (4692, 89604), (4716, 89148), (4968, 84626), (4978, 84456), (5168, 81351), (5244, 80172), (5814, 72312), (6026, 69768), (6256, 67203), (6288, 66861), (6681, 62928), (6992, 60129), (7038, 59736), (7074, 59432), (7344, 57247), (7429, 56592), (7467, 56304), (7752, 54234), (7866, 53448), (8208, 51221), (8721, 48208), (8908, 47196), (9039, 46512), (9384, 44802), (9432, 44574), (9936, 42313), (9956, 42228), (10488, 40086), (10557, 39824), (11628, 36156), (11799, 35632), (12052, 34884), (13362, 31464), (14076, 29868), (14148, 29716), (14858, 28296), (14934, 28152), (15504, 27117), (15732, 26724), (17442, 24104), (17816, 23598), (18078, 23256), (18768, 22401), (18864, 22287), (19912, 21114), (20043, 20976)]