28012530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 85671936

約数和(自身を除く): 57659406

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 31, 35, 39, 42, 62, 65, 70, 78, 91, 93, 105, 130, 155, 182, 186, 195, 210, 217, 273, 310, 331, 390, 403, 434, 455, 465, 546, 651, 662, 806, 910, 930, 993, 1085, 1209, 1302, 1365, 1655, 1986, 2015, 2170, 2317, 2418, 2730, 2821, 3255, 3310, 4030, 4303, 4634, 4965, 5642, 6045, 6510, 6951, 8463, 8606, 9930, 10261, 11585, 12090, 12909, 13902, 14105, 16926, 20522, 21515, 23170, 25818, 28210, 30121, 30783, 34755, 42315, 43030, 51305, 60242, 61566, 64545, 69510, 71827, 84630, 90363, 102610, 129090, 133393, 143654, 150605, 153915, 180726, 215481, 266786, 301210, 307830, 359135, 400179, 430962, 451815, 666965, 718270, 800358, 903630, 933751, 1077405, 1333930, 1867502, 2000895, 2154810, 2801253, 4001790, 4668755, 5602506, 9337510, 14006265, 28012530]

約数ペア:

[(1, 28012530), (2, 14006265), (3, 9337510), (5, 5602506), (6, 4668755), (7, 4001790), (10, 2801253), (13, 2154810), (14, 2000895), (15, 1867502), (21, 1333930), (26, 1077405), (30, 933751), (31, 903630), (35, 800358), (39, 718270), (42, 666965), (62, 451815), (65, 430962), (70, 400179), (78, 359135), (91, 307830), (93, 301210), (105, 266786), (130, 215481), (155, 180726), (182, 153915), (186, 150605), (195, 143654), (210, 133393), (217, 129090), (273, 102610), (310, 90363), (331, 84630), (390, 71827), (403, 69510), (434, 64545), (455, 61566), (465, 60242), (546, 51305), (651, 43030), (662, 42315), (806, 34755), (910, 30783), (930, 30121), (993, 28210), (1085, 25818), (1209, 23170), (1302, 21515), (1365, 20522), (1655, 16926), (1986, 14105), (2015, 13902), (2170, 12909), (2317, 12090), (2418, 11585), (2730, 10261), (2821, 9930), (3255, 8606), (3310, 8463), (4030, 6951), (4303, 6510), (4634, 6045), (4965, 5642)]