640039764

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 288

約数和(自身を含む): 2010602496

約数和(自身を除く): 1370562732

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 37, 39, 42, 49, 52, 62, 73, 74, 78, 84, 91, 93, 98, 111, 124, 146, 147, 148, 156, 182, 186, 196, 217, 219, 222, 259, 273, 292, 294, 364, 372, 403, 434, 438, 444, 481, 511, 518, 546, 588, 637, 651, 777, 806, 868, 876, 949, 962, 1022, 1036, 1092, 1147, 1209, 1274, 1302, 1443, 1519, 1533, 1554, 1612, 1813, 1898, 1911, 1924, 2044, 2263, 2294, 2418, 2548, 2604, 2701, 2821, 2847, 2886, 3038, 3066, 3108, 3367, 3441, 3577, 3626, 3796, 3822, 4526, 4557, 4588, 4836, 5402, 5439, 5642, 5694, 5772, 6076, 6132, 6643, 6734, 6789, 6882, 7154, 7252, 7644, 8029, 8103, 8463, 9052, 9114, 10101, 10731, 10804, 10878, 11284, 11388, 13286, 13468, 13578, 13764, 14308, 14911, 15841, 16058, 16206, 16926, 18228, 18907, 19747, 19929, 20202, 21462, 21756, 23569, 24087, 26572, 27156, 29419, 29822, 31682, 32116, 32412, 33852, 35113, 37814, 39494, 39858, 40404, 42924, 44733, 46501, 47138, 47523, 48174, 56203, 56721, 58838, 59241, 59644, 63364, 70226, 70707, 75628, 78988, 79716, 83731, 88257, 89466, 93002, 94276, 95046, 96348, 104377, 105339, 110887, 112406, 113442, 117676, 118482, 132349, 139503, 140452, 141414, 167462, 168609, 176514, 178932, 186004, 190092, 205933, 208754, 210678, 221774, 224812, 226884, 236964, 245791, 251193, 264698, 279006, 282828, 313131, 332661, 334924, 337218, 353028, 397047, 411866, 417508, 421356, 443548, 491582, 502386, 529396, 558012, 586117, 617799, 626262, 665322, 674436, 730639, 737373, 794094, 823732, 983164, 1004772, 1088503, 1172234, 1235598, 1252524, 1330644, 1441531, 1461278, 1474746, 1588188, 1720537, 1758351, 2177006, 2191917, 2344468, 2471196, 2883062, 2922556, 2949492, 3265509, 3441074, 3516702, 4102819, 4324593, 4354012, 4383834, 5161611, 5766124, 6531018, 6882148, 7033404, 7619521, 8205638, 8649186, 8767668, 10323222, 12308457, 13062036, 15239042, 16411276, 17298372, 20646444, 22858563, 24616914, 30478084, 45717126, 49233828, 53336647, 91434252, 106673294, 160009941, 213346588, 320019882, 640039764]

約数ペア:

[(1, 640039764), (2, 320019882), (3, 213346588), (4, 160009941), (6, 106673294), (7, 91434252), (12, 53336647), (13, 49233828), (14, 45717126), (21, 30478084), (26, 24616914), (28, 22858563), (31, 20646444), (37, 17298372), (39, 16411276), (42, 15239042), (49, 13062036), (52, 12308457), (62, 10323222), (73, 8767668), (74, 8649186), (78, 8205638), (84, 7619521), (91, 7033404), (93, 6882148), (98, 6531018), (111, 5766124), (124, 5161611), (146, 4383834), (147, 4354012), (148, 4324593), (156, 4102819), (182, 3516702), (186, 3441074), (196, 3265509), (217, 2949492), (219, 2922556), (222, 2883062), (259, 2471196), (273, 2344468), (292, 2191917), (294, 2177006), (364, 1758351), (372, 1720537), (403, 1588188), (434, 1474746), (438, 1461278), (444, 1441531), (481, 1330644), (511, 1252524), (518, 1235598), (546, 1172234), (588, 1088503), (637, 1004772), (651, 983164), (777, 823732), (806, 794094), (868, 737373), (876, 730639), (949, 674436), (962, 665322), (1022, 626262), (1036, 617799), (1092, 586117), (1147, 558012), (1209, 529396), (1274, 502386), (1302, 491582), (1443, 443548), (1519, 421356), (1533, 417508), (1554, 411866), (1612, 397047), (1813, 353028), (1898, 337218), (1911, 334924), (1924, 332661), (2044, 313131), (2263, 282828), (2294, 279006), (2418, 264698), (2548, 251193), (2604, 245791), (2701, 236964), (2821, 226884), (2847, 224812), (2886, 221774), (3038, 210678), (3066, 208754), (3108, 205933), (3367, 190092), (3441, 186004), (3577, 178932), (3626, 176514), (3796, 168609), (3822, 167462), (4526, 141414), (4557, 140452), (4588, 139503), (4836, 132349), (5402, 118482), (5439, 117676), (5642, 113442), (5694, 112406), (5772, 110887), (6076, 105339), (6132, 104377), (6643, 96348), (6734, 95046), (6789, 94276), (6882, 93002), (7154, 89466), (7252, 88257), (7644, 83731), (8029, 79716), (8103, 78988), (8463, 75628), (9052, 70707), (9114, 70226), (10101, 63364), (10731, 59644), (10804, 59241), (10878, 58838), (11284, 56721), (11388, 56203), (13286, 48174), (13468, 47523), (13578, 47138), (13764, 46501), (14308, 44733), (14911, 42924), (15841, 40404), (16058, 39858), (16206, 39494), (16926, 37814), (18228, 35113), (18907, 33852), (19747, 32412), (19929, 32116), (20202, 31682), (21462, 29822), (21756, 29419), (23569, 27156), (24087, 26572)]