258388720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2423}}^1$

素因数の和:2510

約数の個数: 80

約数和(自身を含む): 634816512

約数和(自身を除く): 376427792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2423, 2480, 2666, 3440, 4846, 5332, 6665, 9692, 10664, 12115, 13330, 19384, 21328, 24230, 26660, 38768, 48460, 53320, 75113, 96920, 104189, 106640, 150226, 193840, 208378, 300452, 375565, 416756, 520945, 600904, 751130, 833512, 1041890, 1201808, 1502260, 1667024, 2083780, 3004520, 3229859, 4167560, 6009040, 6459718, 8335120, 12919436, 16149295, 25838872, 32298590, 51677744, 64597180, 129194360, 258388720]

約数ペア:

[(1, 258388720), (2, 129194360), (4, 64597180), (5, 51677744), (8, 32298590), (10, 25838872), (16, 16149295), (20, 12919436), (31, 8335120), (40, 6459718), (43, 6009040), (62, 4167560), (80, 3229859), (86, 3004520), (124, 2083780), (155, 1667024), (172, 1502260), (215, 1201808), (248, 1041890), (310, 833512), (344, 751130), (430, 600904), (496, 520945), (620, 416756), (688, 375565), (860, 300452), (1240, 208378), (1333, 193840), (1720, 150226), (2423, 106640), (2480, 104189), (2666, 96920), (3440, 75113), (4846, 53320), (5332, 48460), (6665, 38768), (9692, 26660), (10664, 24230), (12115, 21328), (13330, 19384)]