321631380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6899}}^1$

素因数の和:6958

約数の個数: 144

約数和(自身を含む): 1145289600

約数和(自身を除く): 823658220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 3108, 3330, 3885, 4662, 5180, 6660, 6899, 7770, 9324, 11655, 13798, 15540, 20697, 23310, 27596, 34495, 41394, 46620, 48293, 62091, 68990, 82788, 96586, 103485, 124182, 137980, 144879, 193172, 206970, 241465, 248364, 255263, 289758, 310455, 413940, 434637, 482930, 510526, 579516, 620910, 724395, 765789, 869274, 965860, 1021052, 1241820, 1276315, 1448790, 1531578, 1738548, 1786841, 2173185, 2297367, 2552630, 2897580, 3063156, 3573682, 3828945, 4346370, 4594734, 5105260, 5360523, 7147364, 7657890, 8692740, 8934205, 9189468, 10721046, 11486835, 15315780, 16081569, 17868410, 21442092, 22973670, 26802615, 32163138, 35736820, 45947340, 53605230, 64326276, 80407845, 107210460, 160815690, 321631380]

約数ペア:

[(1, 321631380), (2, 160815690), (3, 107210460), (4, 80407845), (5, 64326276), (6, 53605230), (7, 45947340), (9, 35736820), (10, 32163138), (12, 26802615), (14, 22973670), (15, 21442092), (18, 17868410), (20, 16081569), (21, 15315780), (28, 11486835), (30, 10721046), (35, 9189468), (36, 8934205), (37, 8692740), (42, 7657890), (45, 7147364), (60, 5360523), (63, 5105260), (70, 4594734), (74, 4346370), (84, 3828945), (90, 3573682), (105, 3063156), (111, 2897580), (126, 2552630), (140, 2297367), (148, 2173185), (180, 1786841), (185, 1738548), (210, 1531578), (222, 1448790), (252, 1276315), (259, 1241820), (315, 1021052), (333, 965860), (370, 869274), (420, 765789), (444, 724395), (518, 620910), (555, 579516), (630, 510526), (666, 482930), (740, 434637), (777, 413940), (1036, 310455), (1110, 289758), (1260, 255263), (1295, 248364), (1332, 241465), (1554, 206970), (1665, 193172), (2220, 144879), (2331, 137980), (2590, 124182), (3108, 103485), (3330, 96586), (3885, 82788), (4662, 68990), (5180, 62091), (6660, 48293), (6899, 46620), (7770, 41394), (9324, 34495), (11655, 27596), (13798, 23310), (15540, 20697)]