320371520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1607}}^1$

素因数の和:1720

約数の個数: 112

約数和(自身を含む): 882213120

約数和(自身を除く): 561841600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 140, 160, 178, 224, 280, 320, 356, 445, 448, 560, 623, 712, 890, 1120, 1246, 1424, 1607, 1780, 2240, 2492, 2848, 3115, 3214, 3560, 4984, 5696, 6230, 6428, 7120, 8035, 9968, 11249, 12460, 12856, 14240, 16070, 19936, 22498, 24920, 25712, 28480, 32140, 39872, 44996, 49840, 51424, 56245, 64280, 89992, 99680, 102848, 112490, 128560, 143023, 179984, 199360, 224980, 257120, 286046, 359968, 449960, 514240, 572092, 715115, 719936, 899920, 1001161, 1144184, 1430230, 1799840, 2002322, 2288368, 2860460, 3599680, 4004644, 4576736, 5005805, 5720920, 8009288, 9153472, 10011610, 11441840, 16018576, 20023220, 22883680, 32037152, 40046440, 45767360, 64074304, 80092880, 160185760, 320371520]

約数ペア:

[(1, 320371520), (2, 160185760), (4, 80092880), (5, 64074304), (7, 45767360), (8, 40046440), (10, 32037152), (14, 22883680), (16, 20023220), (20, 16018576), (28, 11441840), (32, 10011610), (35, 9153472), (40, 8009288), (56, 5720920), (64, 5005805), (70, 4576736), (80, 4004644), (89, 3599680), (112, 2860460), (140, 2288368), (160, 2002322), (178, 1799840), (224, 1430230), (280, 1144184), (320, 1001161), (356, 899920), (445, 719936), (448, 715115), (560, 572092), (623, 514240), (712, 449960), (890, 359968), (1120, 286046), (1246, 257120), (1424, 224980), (1607, 199360), (1780, 179984), (2240, 143023), (2492, 128560), (2848, 112490), (3115, 102848), (3214, 99680), (3560, 89992), (4984, 64280), (5696, 56245), (6230, 51424), (6428, 49840), (7120, 44996), (8035, 39872), (9968, 32140), (11249, 28480), (12460, 25712), (12856, 24920), (14240, 22498), (16070, 19936)]