489919920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{291619}}^1$

素因数の和:291642

約数の個数: 80

約数和(自身を含む): 1735722240

約数和(自身を除く): 1245802320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 291619, 583238, 874857, 1166476, 1458095, 1749714, 2041333, 2332952, 2916190, 3499428, 4082666, 4374285, 4665904, 5832380, 6123999, 6998856, 8165332, 8748570, 10206665, 11664760, 12247998, 13997712, 16330664, 17497140, 20413330, 23329520, 24495996, 30619995, 32661328, 34994280, 40826660, 48991992, 61239990, 69988560, 81653320, 97983984, 122479980, 163306640, 244959960, 489919920]

約数ペア:

[(1, 489919920), (2, 244959960), (3, 163306640), (4, 122479980), (5, 97983984), (6, 81653320), (7, 69988560), (8, 61239990), (10, 48991992), (12, 40826660), (14, 34994280), (15, 32661328), (16, 30619995), (20, 24495996), (21, 23329520), (24, 20413330), (28, 17497140), (30, 16330664), (35, 13997712), (40, 12247998), (42, 11664760), (48, 10206665), (56, 8748570), (60, 8165332), (70, 6998856), (80, 6123999), (84, 5832380), (105, 4665904), (112, 4374285), (120, 4082666), (140, 3499428), (168, 2916190), (210, 2332952), (240, 2041333), (280, 1749714), (336, 1458095), (420, 1166476), (560, 874857), (840, 583238), (1680, 291619)]