287616120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2133

約数の個数: 128

約数和(自身を含む): 950400000

約数和(自身を除く): 662783880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 109, 110, 120, 132, 165, 218, 220, 264, 327, 330, 436, 440, 545, 654, 660, 872, 1090, 1199, 1308, 1320, 1635, 1999, 2180, 2398, 2616, 3270, 3597, 3998, 4360, 4796, 5995, 5997, 6540, 7194, 7996, 9592, 9995, 11990, 11994, 13080, 14388, 15992, 17985, 19990, 21989, 23980, 23988, 28776, 29985, 35970, 39980, 43978, 47960, 47976, 59970, 65967, 71940, 79960, 87956, 109945, 119940, 131934, 143880, 175912, 217891, 219890, 239880, 263868, 329835, 435782, 439780, 527736, 653673, 659670, 871564, 879560, 1089455, 1307346, 1319340, 1743128, 2178910, 2396801, 2614692, 2638680, 3268365, 4357820, 4793602, 5229384, 6536730, 7190403, 8715640, 9587204, 11984005, 13073460, 14380806, 19174408, 23968010, 26146920, 28761612, 35952015, 47936020, 57523224, 71904030, 95872040, 143808060, 287616120]

約数ペア:

[(1, 287616120), (2, 143808060), (3, 95872040), (4, 71904030), (5, 57523224), (6, 47936020), (8, 35952015), (10, 28761612), (11, 26146920), (12, 23968010), (15, 19174408), (20, 14380806), (22, 13073460), (24, 11984005), (30, 9587204), (33, 8715640), (40, 7190403), (44, 6536730), (55, 5229384), (60, 4793602), (66, 4357820), (88, 3268365), (109, 2638680), (110, 2614692), (120, 2396801), (132, 2178910), (165, 1743128), (218, 1319340), (220, 1307346), (264, 1089455), (327, 879560), (330, 871564), (436, 659670), (440, 653673), (545, 527736), (654, 439780), (660, 435782), (872, 329835), (1090, 263868), (1199, 239880), (1308, 219890), (1320, 217891), (1635, 175912), (1999, 143880), (2180, 131934), (2398, 119940), (2616, 109945), (3270, 87956), (3597, 79960), (3998, 71940), (4360, 65967), (4796, 59970), (5995, 47976), (5997, 47960), (6540, 43978), (7194, 39980), (7996, 35970), (9592, 29985), (9995, 28776), (11990, 23988), (11994, 23980), (13080, 21989), (14388, 19990), (15992, 17985)]