218119720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1933}}^1$

素因数の和:1995

約数の個数: 128

約数和(自身を含む): 623831040

約数和(自身を除く): 405711320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 1933, 2015, 2170, 2821, 3224, 3640, 3866, 4030, 4340, 5642, 7732, 8060, 8680, 9665, 11284, 13531, 14105, 15464, 16120, 19330, 22568, 25129, 27062, 28210, 38660, 50258, 54124, 56420, 59923, 67655, 77320, 100516, 108248, 112840, 119846, 125645, 135310, 175903, 201032, 239692, 251290, 270620, 299615, 351806, 419461, 479384, 502580, 541240, 599230, 703612, 778999, 838922, 879515, 1005160, 1198460, 1407224, 1557998, 1677844, 1759030, 2097305, 2396920, 3115996, 3355688, 3518060, 3894995, 4194610, 5452993, 6231992, 7036120, 7789990, 8389220, 10905986, 15579980, 16778440, 21811972, 27264965, 31159960, 43623944, 54529930, 109059860, 218119720]

約数ペア:

[(1, 218119720), (2, 109059860), (4, 54529930), (5, 43623944), (7, 31159960), (8, 27264965), (10, 21811972), (13, 16778440), (14, 15579980), (20, 10905986), (26, 8389220), (28, 7789990), (31, 7036120), (35, 6231992), (40, 5452993), (52, 4194610), (56, 3894995), (62, 3518060), (65, 3355688), (70, 3115996), (91, 2396920), (104, 2097305), (124, 1759030), (130, 1677844), (140, 1557998), (155, 1407224), (182, 1198460), (217, 1005160), (248, 879515), (260, 838922), (280, 778999), (310, 703612), (364, 599230), (403, 541240), (434, 502580), (455, 479384), (520, 419461), (620, 351806), (728, 299615), (806, 270620), (868, 251290), (910, 239692), (1085, 201032), (1240, 175903), (1612, 135310), (1736, 125645), (1820, 119846), (1933, 112840), (2015, 108248), (2170, 100516), (2821, 77320), (3224, 67655), (3640, 59923), (3866, 56420), (4030, 54124), (4340, 50258), (5642, 38660), (7732, 28210), (8060, 27062), (8680, 25129), (9665, 22568), (11284, 19330), (13531, 16120), (14105, 15464)]