28500120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2399}}^1$

素因数の和:2430

約数の個数: 128

約数和(自身を含む): 103680000

約数和(自身を除く): 75179880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2399, 2970, 3960, 4798, 5940, 7197, 9596, 11880, 11995, 14394, 19192, 21591, 23990, 26389, 28788, 35985, 43182, 47980, 52778, 57576, 64773, 71970, 79167, 86364, 95960, 105556, 107955, 129546, 131945, 143940, 158334, 172728, 211112, 215910, 237501, 259092, 263890, 287880, 316668, 323865, 395835, 431820, 475002, 518184, 527780, 633336, 647730, 712503, 791670, 863640, 950004, 1055560, 1187505, 1295460, 1425006, 1583340, 1900008, 2375010, 2590920, 2850012, 3166680, 3562515, 4750020, 5700024, 7125030, 9500040, 14250060, 28500120]

約数ペア:

[(1, 28500120), (2, 14250060), (3, 9500040), (4, 7125030), (5, 5700024), (6, 4750020), (8, 3562515), (9, 3166680), (10, 2850012), (11, 2590920), (12, 2375010), (15, 1900008), (18, 1583340), (20, 1425006), (22, 1295460), (24, 1187505), (27, 1055560), (30, 950004), (33, 863640), (36, 791670), (40, 712503), (44, 647730), (45, 633336), (54, 527780), (55, 518184), (60, 475002), (66, 431820), (72, 395835), (88, 323865), (90, 316668), (99, 287880), (108, 263890), (110, 259092), (120, 237501), (132, 215910), (135, 211112), (165, 172728), (180, 158334), (198, 143940), (216, 131945), (220, 129546), (264, 107955), (270, 105556), (297, 95960), (330, 86364), (360, 79167), (396, 71970), (440, 64773), (495, 57576), (540, 52778), (594, 47980), (660, 43182), (792, 35985), (990, 28788), (1080, 26389), (1188, 23990), (1320, 21591), (1485, 19192), (1980, 14394), (2376, 11995), (2399, 11880), (2970, 9596), (3960, 7197), (4798, 5940)]