228479920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 552464640

約数和(自身を除く): 323984720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 362, 496, 509, 620, 724, 905, 1018, 1240, 1448, 1810, 2036, 2480, 2545, 2896, 3620, 4072, 5090, 5611, 7240, 8144, 10180, 11222, 14480, 15779, 20360, 22444, 28055, 31558, 40720, 44888, 56110, 63116, 78895, 89776, 92129, 112220, 126232, 157790, 184258, 224440, 252464, 315580, 368516, 448880, 460645, 631160, 737032, 921290, 1262320, 1474064, 1842580, 2855999, 3685160, 5711998, 7370320, 11423996, 14279995, 22847992, 28559990, 45695984, 57119980, 114239960, 228479920]

約数ペア:

[(1, 228479920), (2, 114239960), (4, 57119980), (5, 45695984), (8, 28559990), (10, 22847992), (16, 14279995), (20, 11423996), (31, 7370320), (40, 5711998), (62, 3685160), (80, 2855999), (124, 1842580), (155, 1474064), (181, 1262320), (248, 921290), (310, 737032), (362, 631160), (496, 460645), (509, 448880), (620, 368516), (724, 315580), (905, 252464), (1018, 224440), (1240, 184258), (1448, 157790), (1810, 126232), (2036, 112220), (2480, 92129), (2545, 89776), (2896, 78895), (3620, 63116), (4072, 56110), (5090, 44888), (5611, 40720), (7240, 31558), (8144, 28055), (10180, 22444), (11222, 20360), (14480, 15779)]