728860160

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:576

約数の個数: 160

約数和(自身を含む): 2024066880

約数和(自身を除く): 1295206720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 256, 280, 320, 356, 445, 448, 457, 512, 560, 623, 640, 712, 890, 896, 914, 1120, 1246, 1280, 1424, 1780, 1792, 1828, 2240, 2285, 2492, 2560, 2848, 3115, 3199, 3560, 3584, 3656, 4480, 4570, 4984, 5696, 6230, 6398, 7120, 7312, 8960, 9140, 9968, 11392, 12460, 12796, 14240, 14624, 15995, 17920, 18280, 19936, 22784, 24920, 25592, 28480, 29248, 31990, 36560, 39872, 40673, 45568, 49840, 51184, 56960, 58496, 63980, 73120, 79744, 81346, 99680, 102368, 113920, 116992, 127960, 146240, 159488, 162692, 199360, 203365, 204736, 227840, 233984, 255920, 284711, 292480, 318976, 325384, 398720, 406730, 409472, 511840, 569422, 584960, 650768, 797440, 813460, 818944, 1023680, 1138844, 1169920, 1301536, 1423555, 1594880, 1626920, 1637888, 2047360, 2277688, 2603072, 2847110, 3253840, 4094720, 4555376, 5206144, 5694220, 6507680, 8189440, 9110752, 10412288, 11388440, 13015360, 18221504, 20824576, 22776880, 26030720, 36443008, 45553760, 52061440, 72886016, 91107520, 104122880, 145772032, 182215040, 364430080, 728860160]

約数ペア:

[(1, 728860160), (2, 364430080), (4, 182215040), (5, 145772032), (7, 104122880), (8, 91107520), (10, 72886016), (14, 52061440), (16, 45553760), (20, 36443008), (28, 26030720), (32, 22776880), (35, 20824576), (40, 18221504), (56, 13015360), (64, 11388440), (70, 10412288), (80, 9110752), (89, 8189440), (112, 6507680), (128, 5694220), (140, 5206144), (160, 4555376), (178, 4094720), (224, 3253840), (256, 2847110), (280, 2603072), (320, 2277688), (356, 2047360), (445, 1637888), (448, 1626920), (457, 1594880), (512, 1423555), (560, 1301536), (623, 1169920), (640, 1138844), (712, 1023680), (890, 818944), (896, 813460), (914, 797440), (1120, 650768), (1246, 584960), (1280, 569422), (1424, 511840), (1780, 409472), (1792, 406730), (1828, 398720), (2240, 325384), (2285, 318976), (2492, 292480), (2560, 284711), (2848, 255920), (3115, 233984), (3199, 227840), (3560, 204736), (3584, 203365), (3656, 199360), (4480, 162692), (4570, 159488), (4984, 146240), (5696, 127960), (6230, 116992), (6398, 113920), (7120, 102368), (7312, 99680), (8960, 81346), (9140, 79744), (9968, 73120), (11392, 63980), (12460, 58496), (12796, 56960), (14240, 51184), (14624, 49840), (15995, 45568), (17920, 40673), (18280, 39872), (19936, 36560), (22784, 31990), (24920, 29248), (25592, 28480)]