164342780

素因数分解:

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

素因数の和:2059

約数の個数: 96

約数和(自身を含む): 428789760

約数和(自身を除く): 264446980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 1085, 1178, 1330, 1993, 2170, 2356, 2660, 2945, 3986, 4123, 4340, 5890, 7972, 8246, 9965, 11780, 13951, 16492, 19930, 20615, 27902, 37867, 39860, 41230, 55804, 61783, 69755, 75734, 82460, 123566, 139510, 151468, 189335, 247132, 265069, 279020, 308915, 378670, 432481, 530138, 617830, 757340, 864962, 1060276, 1173877, 1235660, 1325345, 1729924, 2162405, 2347754, 2650690, 4324810, 4695508, 5301380, 5869385, 8217139, 8649620, 11738770, 16434278, 23477540, 32868556, 41085695, 82171390, 164342780]

約数ペア:

[(1, 164342780), (2, 82171390), (4, 41085695), (5, 32868556), (7, 23477540), (10, 16434278), (14, 11738770), (19, 8649620), (20, 8217139), (28, 5869385), (31, 5301380), (35, 4695508), (38, 4324810), (62, 2650690), (70, 2347754), (76, 2162405), (95, 1729924), (124, 1325345), (133, 1235660), (140, 1173877), (155, 1060276), (190, 864962), (217, 757340), (266, 617830), (310, 530138), (380, 432481), (434, 378670), (532, 308915), (589, 279020), (620, 265069), (665, 247132), (868, 189335), (1085, 151468), (1178, 139510), (1330, 123566), (1993, 82460), (2170, 75734), (2356, 69755), (2660, 61783), (2945, 55804), (3986, 41230), (4123, 39860), (4340, 37867), (5890, 27902), (7972, 20615), (8246, 19930), (9965, 16492), (11780, 13951)]