72150640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 177131520

約数和(自身を除く): 104980880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 619, 620, 752, 940, 1238, 1240, 1457, 1880, 2476, 2480, 2914, 3095, 3760, 4952, 5828, 6190, 7285, 9904, 11656, 12380, 14570, 19189, 23312, 24760, 29093, 29140, 38378, 49520, 58186, 58280, 76756, 95945, 116372, 116560, 145465, 153512, 191890, 232744, 290930, 307024, 383780, 465488, 581860, 767560, 901883, 1163720, 1535120, 1803766, 2327440, 3607532, 4509415, 7215064, 9018830, 14430128, 18037660, 36075320, 72150640]

約数ペア:

[(1, 72150640), (2, 36075320), (4, 18037660), (5, 14430128), (8, 9018830), (10, 7215064), (16, 4509415), (20, 3607532), (31, 2327440), (40, 1803766), (47, 1535120), (62, 1163720), (80, 901883), (94, 767560), (124, 581860), (155, 465488), (188, 383780), (235, 307024), (248, 290930), (310, 232744), (376, 191890), (470, 153512), (496, 145465), (619, 116560), (620, 116372), (752, 95945), (940, 76756), (1238, 58280), (1240, 58186), (1457, 49520), (1880, 38378), (2476, 29140), (2480, 29093), (2914, 24760), (3095, 23312), (3760, 19189), (4952, 14570), (5828, 12380), (6190, 11656), (7285, 9904)]