280390320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{55633}}^1$

素因数の和:55659

約数の個数: 120

約数和(自身を含む): 1076184096

約数和(自身を除く): 795793776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 55633, 111266, 166899, 222532, 278165, 333798, 389431, 445064, 500697, 556330, 667596, 778862, 834495, 890128, 1001394, 1112660, 1168293, 1335192, 1557724, 1668990, 1947155, 2002788, 2225320, 2336586, 2503485, 2670384, 3115448, 3337980, 3504879, 3894310, 4005576, 4450640, 4673172, 5006970, 5841465, 6230896, 6675960, 7009758, 7788620, 8011152, 9346344, 10013940, 11682930, 13351920, 14019516, 15577240, 17524395, 18692688, 20027880, 23365860, 28039032, 31154480, 35048790, 40055760, 46731720, 56078064, 70097580, 93463440, 140195160, 280390320]

約数ペア:

[(1, 280390320), (2, 140195160), (3, 93463440), (4, 70097580), (5, 56078064), (6, 46731720), (7, 40055760), (8, 35048790), (9, 31154480), (10, 28039032), (12, 23365860), (14, 20027880), (15, 18692688), (16, 17524395), (18, 15577240), (20, 14019516), (21, 13351920), (24, 11682930), (28, 10013940), (30, 9346344), (35, 8011152), (36, 7788620), (40, 7009758), (42, 6675960), (45, 6230896), (48, 5841465), (56, 5006970), (60, 4673172), (63, 4450640), (70, 4005576), (72, 3894310), (80, 3504879), (84, 3337980), (90, 3115448), (105, 2670384), (112, 2503485), (120, 2336586), (126, 2225320), (140, 2002788), (144, 1947155), (168, 1668990), (180, 1557724), (210, 1335192), (240, 1168293), (252, 1112660), (280, 1001394), (315, 890128), (336, 834495), (360, 778862), (420, 667596), (504, 556330), (560, 500697), (630, 445064), (720, 389431), (840, 333798), (1008, 278165), (1260, 222532), (1680, 166899), (2520, 111266), (5040, 55633)]