218520240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1347

約数の個数: 160

約数和(自身を含む): 730238976

約数和(自身を除く): 511718736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 46, 48, 60, 62, 69, 80, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 240, 248, 276, 310, 345, 368, 372, 460, 465, 496, 552, 620, 690, 713, 744, 920, 930, 1104, 1240, 1277, 1380, 1426, 1488, 1840, 1860, 2139, 2480, 2554, 2760, 2852, 3565, 3720, 3831, 4278, 5108, 5520, 5704, 6385, 7130, 7440, 7662, 8556, 10216, 10695, 11408, 12770, 14260, 15324, 17112, 19155, 20432, 21390, 25540, 28520, 29371, 30648, 34224, 38310, 39587, 42780, 51080, 57040, 58742, 61296, 76620, 79174, 85560, 88113, 102160, 117484, 118761, 146855, 153240, 158348, 171120, 176226, 197935, 234968, 237522, 293710, 306480, 316696, 352452, 395870, 440565, 469936, 475044, 587420, 593805, 633392, 704904, 791740, 881130, 910501, 950088, 1174840, 1187610, 1409808, 1583480, 1762260, 1821002, 1900176, 2349680, 2375220, 2731503, 3166960, 3524520, 3642004, 4552505, 4750440, 5463006, 7049040, 7284008, 9105010, 9500880, 10926012, 13657515, 14568016, 18210020, 21852024, 27315030, 36420040, 43704048, 54630060, 72840080, 109260120, 218520240]

約数ペア:

[(1, 218520240), (2, 109260120), (3, 72840080), (4, 54630060), (5, 43704048), (6, 36420040), (8, 27315030), (10, 21852024), (12, 18210020), (15, 14568016), (16, 13657515), (20, 10926012), (23, 9500880), (24, 9105010), (30, 7284008), (31, 7049040), (40, 5463006), (46, 4750440), (48, 4552505), (60, 3642004), (62, 3524520), (69, 3166960), (80, 2731503), (92, 2375220), (93, 2349680), (115, 1900176), (120, 1821002), (124, 1762260), (138, 1583480), (155, 1409808), (184, 1187610), (186, 1174840), (230, 950088), (240, 910501), (248, 881130), (276, 791740), (310, 704904), (345, 633392), (368, 593805), (372, 587420), (460, 475044), (465, 469936), (496, 440565), (552, 395870), (620, 352452), (690, 316696), (713, 306480), (744, 293710), (920, 237522), (930, 234968), (1104, 197935), (1240, 176226), (1277, 171120), (1380, 158348), (1426, 153240), (1488, 146855), (1840, 118761), (1860, 117484), (2139, 102160), (2480, 88113), (2554, 85560), (2760, 79174), (2852, 76620), (3565, 61296), (3720, 58742), (3831, 57040), (4278, 51080), (5108, 42780), (5520, 39587), (5704, 38310), (6385, 34224), (7130, 30648), (7440, 29371), (7662, 28520), (8556, 25540), (10216, 21390), (10695, 20432), (11408, 19155), (12770, 17112), (14260, 15324)]