31209552

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 240

約数和(自身を含む): 107939520

約数和(自身を除く): 76729968

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 19, 22, 24, 33, 34, 36, 38, 44, 48, 51, 57, 61, 66, 68, 72, 76, 88, 99, 102, 114, 122, 132, 136, 144, 152, 153, 171, 176, 183, 187, 198, 204, 209, 228, 244, 264, 272, 304, 306, 323, 342, 366, 374, 396, 408, 418, 456, 488, 528, 549, 561, 612, 627, 646, 671, 684, 732, 748, 792, 816, 836, 912, 969, 976, 1037, 1098, 1122, 1159, 1224, 1254, 1292, 1342, 1368, 1464, 1496, 1584, 1672, 1683, 1881, 1938, 2013, 2074, 2196, 2244, 2318, 2448, 2508, 2584, 2684, 2736, 2907, 2928, 2992, 3111, 3344, 3366, 3477, 3553, 3762, 3876, 4026, 4148, 4392, 4488, 4636, 5016, 5168, 5368, 5814, 6039, 6222, 6732, 6954, 7106, 7524, 7752, 8052, 8296, 8784, 8976, 9272, 9333, 10032, 10431, 10659, 10736, 11407, 11628, 12078, 12444, 12749, 13464, 13908, 14212, 15048, 15504, 16104, 16592, 18544, 18666, 19703, 20862, 21318, 22814, 23256, 24156, 24888, 25498, 26928, 27816, 28424, 30096, 31977, 32208, 34221, 37332, 38247, 39406, 41724, 42636, 45628, 46512, 48312, 49776, 50996, 55632, 56848, 59109, 63954, 68442, 74664, 76494, 78812, 83448, 85272, 91256, 96624, 101992, 102663, 114741, 118218, 127908, 136884, 149328, 152988, 157624, 166896, 170544, 177327, 182512, 203984, 205326, 216733, 229482, 236436, 255816, 273768, 305976, 315248, 354654, 410652, 433466, 458964, 472872, 511632, 547536, 611952, 650199, 709308, 821304, 866932, 917928, 945744, 1300398, 1418616, 1642608, 1733864, 1835856, 1950597, 2600796, 2837232, 3467728, 3901194, 5201592, 7802388, 10403184, 15604776, 31209552]

約数ペア:

[(1, 31209552), (2, 15604776), (3, 10403184), (4, 7802388), (6, 5201592), (8, 3901194), (9, 3467728), (11, 2837232), (12, 2600796), (16, 1950597), (17, 1835856), (18, 1733864), (19, 1642608), (22, 1418616), (24, 1300398), (33, 945744), (34, 917928), (36, 866932), (38, 821304), (44, 709308), (48, 650199), (51, 611952), (57, 547536), (61, 511632), (66, 472872), (68, 458964), (72, 433466), (76, 410652), (88, 354654), (99, 315248), (102, 305976), (114, 273768), (122, 255816), (132, 236436), (136, 229482), (144, 216733), (152, 205326), (153, 203984), (171, 182512), (176, 177327), (183, 170544), (187, 166896), (198, 157624), (204, 152988), (209, 149328), (228, 136884), (244, 127908), (264, 118218), (272, 114741), (304, 102663), (306, 101992), (323, 96624), (342, 91256), (366, 85272), (374, 83448), (396, 78812), (408, 76494), (418, 74664), (456, 68442), (488, 63954), (528, 59109), (549, 56848), (561, 55632), (612, 50996), (627, 49776), (646, 48312), (671, 46512), (684, 45628), (732, 42636), (748, 41724), (792, 39406), (816, 38247), (836, 37332), (912, 34221), (969, 32208), (976, 31977), (1037, 30096), (1098, 28424), (1122, 27816), (1159, 26928), (1224, 25498), (1254, 24888), (1292, 24156), (1342, 23256), (1368, 22814), (1464, 21318), (1496, 20862), (1584, 19703), (1672, 18666), (1683, 18544), (1881, 16592), (1938, 16104), (2013, 15504), (2074, 15048), (2196, 14212), (2244, 13908), (2318, 13464), (2448, 12749), (2508, 12444), (2584, 12078), (2684, 11628), (2736, 11407), (2907, 10736), (2928, 10659), (2992, 10431), (3111, 10032), (3344, 9333), (3366, 9272), (3477, 8976), (3553, 8784), (3762, 8296), (3876, 8052), (4026, 7752), (4148, 7524), (4392, 7106), (4488, 6954), (4636, 6732), (5016, 6222), (5168, 6039), (5368, 5814)]