77846580

素因数分解:

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

素因数の和:2046

約数の個数: 144

約数和(自身を含む): 278713344

約数和(自身を除く): 200866764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 1993, 2170, 2604, 2790, 3255, 3906, 3986, 4340, 5580, 5979, 6510, 7812, 7972, 9765, 9965, 11958, 13020, 13951, 17937, 19530, 19930, 23916, 27902, 29895, 35874, 39060, 39860, 41853, 55804, 59790, 61783, 69755, 71748, 83706, 89685, 119580, 123566, 125559, 139510, 167412, 179370, 185349, 209265, 247132, 251118, 279020, 308915, 358740, 370698, 418530, 432481, 502236, 556047, 617830, 627795, 741396, 837060, 864962, 926745, 1112094, 1235660, 1255590, 1297443, 1729924, 1853490, 2162405, 2224188, 2511180, 2594886, 2780235, 3706980, 3892329, 4324810, 5189772, 5560470, 6487215, 7784658, 8649620, 11120940, 12974430, 15569316, 19461645, 25948860, 38923290, 77846580]

約数ペア:

[(1, 77846580), (2, 38923290), (3, 25948860), (4, 19461645), (5, 15569316), (6, 12974430), (7, 11120940), (9, 8649620), (10, 7784658), (12, 6487215), (14, 5560470), (15, 5189772), (18, 4324810), (20, 3892329), (21, 3706980), (28, 2780235), (30, 2594886), (31, 2511180), (35, 2224188), (36, 2162405), (42, 1853490), (45, 1729924), (60, 1297443), (62, 1255590), (63, 1235660), (70, 1112094), (84, 926745), (90, 864962), (93, 837060), (105, 741396), (124, 627795), (126, 617830), (140, 556047), (155, 502236), (180, 432481), (186, 418530), (210, 370698), (217, 358740), (252, 308915), (279, 279020), (310, 251118), (315, 247132), (372, 209265), (420, 185349), (434, 179370), (465, 167412), (558, 139510), (620, 125559), (630, 123566), (651, 119580), (868, 89685), (930, 83706), (1085, 71748), (1116, 69755), (1260, 61783), (1302, 59790), (1395, 55804), (1860, 41853), (1953, 39860), (1993, 39060), (2170, 35874), (2604, 29895), (2790, 27902), (3255, 23916), (3906, 19930), (3986, 19530), (4340, 17937), (5580, 13951), (5979, 13020), (6510, 11958), (7812, 9965), (7972, 9765)]