328685560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2061

約数の個数: 128

約数和(自身を含む): 918835200

約数和(自身を除く): 590149640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1736, 1993, 2170, 2356, 2660, 2945, 3986, 4123, 4340, 4712, 5320, 5890, 7972, 8246, 8680, 9965, 11780, 13951, 15944, 16492, 19930, 20615, 23560, 27902, 32984, 37867, 39860, 41230, 55804, 61783, 69755, 75734, 79720, 82460, 111608, 123566, 139510, 151468, 164920, 189335, 247132, 265069, 279020, 302936, 308915, 378670, 432481, 494264, 530138, 558040, 617830, 757340, 864962, 1060276, 1173877, 1235660, 1325345, 1514680, 1729924, 2120552, 2162405, 2347754, 2471320, 2650690, 3459848, 4324810, 4695508, 5301380, 5869385, 8217139, 8649620, 9391016, 10602760, 11738770, 16434278, 17299240, 23477540, 32868556, 41085695, 46955080, 65737112, 82171390, 164342780, 328685560]

約数ペア:

[(1, 328685560), (2, 164342780), (4, 82171390), (5, 65737112), (7, 46955080), (8, 41085695), (10, 32868556), (14, 23477540), (19, 17299240), (20, 16434278), (28, 11738770), (31, 10602760), (35, 9391016), (38, 8649620), (40, 8217139), (56, 5869385), (62, 5301380), (70, 4695508), (76, 4324810), (95, 3459848), (124, 2650690), (133, 2471320), (140, 2347754), (152, 2162405), (155, 2120552), (190, 1729924), (217, 1514680), (248, 1325345), (266, 1235660), (280, 1173877), (310, 1060276), (380, 864962), (434, 757340), (532, 617830), (589, 558040), (620, 530138), (665, 494264), (760, 432481), (868, 378670), (1064, 308915), (1085, 302936), (1178, 279020), (1240, 265069), (1330, 247132), (1736, 189335), (1993, 164920), (2170, 151468), (2356, 139510), (2660, 123566), (2945, 111608), (3986, 82460), (4123, 79720), (4340, 75734), (4712, 69755), (5320, 61783), (5890, 55804), (7972, 41230), (8246, 39860), (8680, 37867), (9965, 32984), (11780, 27902), (13951, 23560), (15944, 20615), (16492, 19930)]