778868520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1619}}^1$

素因数の和:1863

約数の個数: 128

約数和(自身を含む): 2472768000

約数和(自身を除く): 1693899480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 211, 228, 285, 380, 422, 456, 570, 633, 760, 844, 1055, 1140, 1266, 1619, 1688, 2110, 2280, 2532, 3165, 3238, 4009, 4220, 4857, 5064, 6330, 6476, 8018, 8095, 8440, 9714, 12027, 12660, 12952, 16036, 16190, 19428, 20045, 24054, 24285, 25320, 30761, 32072, 32380, 38856, 40090, 48108, 48570, 60135, 61522, 64760, 80180, 92283, 96216, 97140, 120270, 123044, 153805, 160360, 184566, 194280, 240540, 246088, 307610, 341609, 369132, 461415, 481080, 615220, 683218, 738264, 922830, 1024827, 1230440, 1366436, 1708045, 1845660, 2049654, 2732872, 3416090, 3691320, 4099308, 5124135, 6490571, 6832180, 8198616, 10248270, 12981142, 13664360, 19471713, 20496540, 25962284, 32452855, 38943426, 40993080, 51924568, 64905710, 77886852, 97358565, 129811420, 155773704, 194717130, 259622840, 389434260, 778868520]

約数ペア:

[(1, 778868520), (2, 389434260), (3, 259622840), (4, 194717130), (5, 155773704), (6, 129811420), (8, 97358565), (10, 77886852), (12, 64905710), (15, 51924568), (19, 40993080), (20, 38943426), (24, 32452855), (30, 25962284), (38, 20496540), (40, 19471713), (57, 13664360), (60, 12981142), (76, 10248270), (95, 8198616), (114, 6832180), (120, 6490571), (152, 5124135), (190, 4099308), (211, 3691320), (228, 3416090), (285, 2732872), (380, 2049654), (422, 1845660), (456, 1708045), (570, 1366436), (633, 1230440), (760, 1024827), (844, 922830), (1055, 738264), (1140, 683218), (1266, 615220), (1619, 481080), (1688, 461415), (2110, 369132), (2280, 341609), (2532, 307610), (3165, 246088), (3238, 240540), (4009, 194280), (4220, 184566), (4857, 160360), (5064, 153805), (6330, 123044), (6476, 120270), (8018, 97140), (8095, 96216), (8440, 92283), (9714, 80180), (12027, 64760), (12660, 61522), (12952, 60135), (16036, 48570), (16190, 48108), (19428, 40090), (20045, 38856), (24054, 32380), (24285, 32072), (25320, 30761)]