256347630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:623

約数の個数: 192

約数和(自身を含む): 844286976

約数和(自身を除く): 587939346

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 71, 77, 90, 99, 105, 110, 126, 142, 154, 165, 198, 210, 213, 231, 315, 330, 355, 385, 426, 462, 495, 497, 521, 630, 639, 693, 710, 770, 781, 990, 994, 1042, 1065, 1155, 1278, 1386, 1491, 1562, 1563, 2130, 2310, 2343, 2485, 2605, 2982, 3126, 3195, 3465, 3647, 3905, 4473, 4686, 4689, 4970, 5210, 5467, 5731, 6390, 6930, 7029, 7294, 7455, 7810, 7815, 8946, 9378, 10934, 10941, 11462, 11715, 14058, 14910, 15630, 16401, 17193, 18235, 21882, 22365, 23430, 23445, 27335, 28655, 32802, 32823, 34386, 35145, 36470, 36991, 40117, 44730, 46890, 49203, 51579, 54670, 54705, 57310, 65646, 70290, 73982, 80234, 82005, 85965, 98406, 103158, 109410, 110973, 120351, 164010, 164115, 171930, 184955, 200585, 221946, 240702, 246015, 257895, 258937, 328230, 332919, 361053, 369910, 401170, 406901, 492030, 515790, 517874, 554865, 601755, 665838, 722106, 776811, 813802, 1109730, 1203510, 1220703, 1294685, 1553622, 1664595, 1805265, 2034505, 2330433, 2441406, 2589370, 2848307, 3329190, 3610530, 3662109, 3884055, 4069010, 4660866, 5696614, 6103515, 7324218, 7768110, 8544921, 11652165, 12207030, 14241535, 17089842, 18310545, 23304330, 25634763, 28483070, 36621090, 42724605, 51269526, 85449210, 128173815, 256347630]

約数ペア:

[(1, 256347630), (2, 128173815), (3, 85449210), (5, 51269526), (6, 42724605), (7, 36621090), (9, 28483070), (10, 25634763), (11, 23304330), (14, 18310545), (15, 17089842), (18, 14241535), (21, 12207030), (22, 11652165), (30, 8544921), (33, 7768110), (35, 7324218), (42, 6103515), (45, 5696614), (55, 4660866), (63, 4069010), (66, 3884055), (70, 3662109), (71, 3610530), (77, 3329190), (90, 2848307), (99, 2589370), (105, 2441406), (110, 2330433), (126, 2034505), (142, 1805265), (154, 1664595), (165, 1553622), (198, 1294685), (210, 1220703), (213, 1203510), (231, 1109730), (315, 813802), (330, 776811), (355, 722106), (385, 665838), (426, 601755), (462, 554865), (495, 517874), (497, 515790), (521, 492030), (630, 406901), (639, 401170), (693, 369910), (710, 361053), (770, 332919), (781, 328230), (990, 258937), (994, 257895), (1042, 246015), (1065, 240702), (1155, 221946), (1278, 200585), (1386, 184955), (1491, 171930), (1562, 164115), (1563, 164010), (2130, 120351), (2310, 110973), (2343, 109410), (2485, 103158), (2605, 98406), (2982, 85965), (3126, 82005), (3195, 80234), (3465, 73982), (3647, 70290), (3905, 65646), (4473, 57310), (4686, 54705), (4689, 54670), (4970, 51579), (5210, 49203), (5467, 46890), (5731, 44730), (6390, 40117), (6930, 36991), (7029, 36470), (7294, 35145), (7455, 34386), (7810, 32823), (7815, 32802), (8946, 28655), (9378, 27335), (10934, 23445), (10941, 23430), (11462, 22365), (11715, 21882), (14058, 18235), (14910, 17193), (15630, 16401)]