7387920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 25688832

約数和(自身を除く): 18300912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 331, 360, 372, 465, 496, 558, 620, 662, 720, 744, 930, 993, 1116, 1240, 1324, 1395, 1488, 1655, 1860, 1986, 2232, 2480, 2648, 2790, 2979, 3310, 3720, 3972, 4464, 4965, 5296, 5580, 5958, 6620, 7440, 7944, 9930, 10261, 11160, 11916, 13240, 14895, 15888, 19860, 20522, 22320, 23832, 26480, 29790, 30783, 39720, 41044, 47664, 51305, 59580, 61566, 79440, 82088, 92349, 102610, 119160, 123132, 153915, 164176, 184698, 205220, 238320, 246264, 307830, 369396, 410440, 461745, 492528, 615660, 738792, 820880, 923490, 1231320, 1477584, 1846980, 2462640, 3693960, 7387920]

約数ペア:

[(1, 7387920), (2, 3693960), (3, 2462640), (4, 1846980), (5, 1477584), (6, 1231320), (8, 923490), (9, 820880), (10, 738792), (12, 615660), (15, 492528), (16, 461745), (18, 410440), (20, 369396), (24, 307830), (30, 246264), (31, 238320), (36, 205220), (40, 184698), (45, 164176), (48, 153915), (60, 123132), (62, 119160), (72, 102610), (80, 92349), (90, 82088), (93, 79440), (120, 61566), (124, 59580), (144, 51305), (155, 47664), (180, 41044), (186, 39720), (240, 30783), (248, 29790), (279, 26480), (310, 23832), (331, 22320), (360, 20522), (372, 19860), (465, 15888), (496, 14895), (558, 13240), (620, 11916), (662, 11160), (720, 10261), (744, 9930), (930, 7944), (993, 7440), (1116, 6620), (1240, 5958), (1324, 5580), (1395, 5296), (1488, 4965), (1655, 4464), (1860, 3972), (1986, 3720), (2232, 3310), (2480, 2979), (2648, 2790)]