72991380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 288

約数和(自身を含む): 270732672

約数和(自身を除く): 197741292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 37, 42, 44, 49, 55, 60, 61, 66, 70, 74, 77, 84, 98, 105, 110, 111, 122, 132, 140, 147, 148, 154, 165, 183, 185, 196, 210, 220, 222, 231, 244, 245, 259, 294, 305, 308, 330, 366, 370, 385, 407, 420, 427, 444, 462, 490, 518, 539, 555, 588, 610, 660, 671, 732, 735, 740, 770, 777, 814, 854, 915, 924, 980, 1036, 1078, 1110, 1155, 1220, 1221, 1281, 1295, 1342, 1470, 1540, 1554, 1617, 1628, 1708, 1813, 1830, 2013, 2035, 2135, 2156, 2220, 2257, 2310, 2442, 2562, 2590, 2684, 2695, 2849, 2940, 2989, 3108, 3234, 3355, 3626, 3660, 3885, 4026, 4070, 4270, 4514, 4620, 4697, 4884, 5124, 5180, 5390, 5439, 5698, 5978, 6105, 6405, 6468, 6710, 6771, 7252, 7770, 8052, 8085, 8140, 8540, 8547, 8967, 9028, 9065, 9394, 10065, 10780, 10878, 11285, 11396, 11956, 12210, 12810, 13420, 13542, 14091, 14245, 14945, 15540, 15799, 16170, 17094, 17934, 18130, 18788, 19943, 20130, 21756, 22570, 23485, 24420, 24827, 25620, 27084, 27195, 28182, 28490, 29890, 31598, 32340, 32879, 33855, 34188, 35868, 36260, 39886, 40260, 42735, 44835, 45140, 46970, 47397, 49654, 54390, 56364, 56980, 59780, 59829, 63196, 65758, 67710, 70455, 74481, 78995, 79772, 85470, 89670, 93940, 94794, 98637, 99308, 99715, 108780, 110593, 119658, 124135, 131516, 135420, 140910, 148962, 157990, 164395, 170940, 173789, 179340, 189588, 197274, 199430, 221186, 236985, 239316, 248270, 281820, 297924, 299145, 315980, 328790, 331779, 347578, 372405, 394548, 398860, 442372, 473970, 493185, 496540, 521367, 552965, 598290, 657580, 663558, 695156, 744810, 868945, 947940, 986370, 1042734, 1105930, 1196580, 1216523, 1327116, 1489620, 1658895, 1737890, 1972740, 2085468, 2211860, 2433046, 2606835, 3317790, 3475780, 3649569, 4866092, 5213670, 6082615, 6635580, 7299138, 10427340, 12165230, 14598276, 18247845, 24330460, 36495690, 72991380]

約数ペア:

[(1, 72991380), (2, 36495690), (3, 24330460), (4, 18247845), (5, 14598276), (6, 12165230), (7, 10427340), (10, 7299138), (11, 6635580), (12, 6082615), (14, 5213670), (15, 4866092), (20, 3649569), (21, 3475780), (22, 3317790), (28, 2606835), (30, 2433046), (33, 2211860), (35, 2085468), (37, 1972740), (42, 1737890), (44, 1658895), (49, 1489620), (55, 1327116), (60, 1216523), (61, 1196580), (66, 1105930), (70, 1042734), (74, 986370), (77, 947940), (84, 868945), (98, 744810), (105, 695156), (110, 663558), (111, 657580), (122, 598290), (132, 552965), (140, 521367), (147, 496540), (148, 493185), (154, 473970), (165, 442372), (183, 398860), (185, 394548), (196, 372405), (210, 347578), (220, 331779), (222, 328790), (231, 315980), (244, 299145), (245, 297924), (259, 281820), (294, 248270), (305, 239316), (308, 236985), (330, 221186), (366, 199430), (370, 197274), (385, 189588), (407, 179340), (420, 173789), (427, 170940), (444, 164395), (462, 157990), (490, 148962), (518, 140910), (539, 135420), (555, 131516), (588, 124135), (610, 119658), (660, 110593), (671, 108780), (732, 99715), (735, 99308), (740, 98637), (770, 94794), (777, 93940), (814, 89670), (854, 85470), (915, 79772), (924, 78995), (980, 74481), (1036, 70455), (1078, 67710), (1110, 65758), (1155, 63196), (1220, 59829), (1221, 59780), (1281, 56980), (1295, 56364), (1342, 54390), (1470, 49654), (1540, 47397), (1554, 46970), (1617, 45140), (1628, 44835), (1708, 42735), (1813, 40260), (1830, 39886), (2013, 36260), (2035, 35868), (2135, 34188), (2156, 33855), (2220, 32879), (2257, 32340), (2310, 31598), (2442, 29890), (2562, 28490), (2590, 28182), (2684, 27195), (2695, 27084), (2849, 25620), (2940, 24827), (2989, 24420), (3108, 23485), (3234, 22570), (3355, 21756), (3626, 20130), (3660, 19943), (3885, 18788), (4026, 18130), (4070, 17934), (4270, 17094), (4514, 16170), (4620, 15799), (4697, 15540), (4884, 14945), (5124, 14245), (5180, 14091), (5390, 13542), (5439, 13420), (5698, 12810), (5978, 12210), (6105, 11956), (6405, 11396), (6468, 11285), (6710, 10878), (6771, 10780), (7252, 10065), (7770, 9394), (8052, 9065), (8085, 9028), (8140, 8967), (8540, 8547)]