216451920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:713

約数の個数: 160

約数和(自身を含む): 708526080

約数和(自身を除く): 492074160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 47, 48, 60, 62, 80, 93, 94, 120, 124, 141, 155, 186, 188, 235, 240, 248, 282, 310, 372, 376, 465, 470, 496, 564, 619, 620, 705, 744, 752, 930, 940, 1128, 1238, 1240, 1410, 1457, 1488, 1857, 1860, 1880, 2256, 2476, 2480, 2820, 2914, 3095, 3714, 3720, 3760, 4371, 4952, 5640, 5828, 6190, 7285, 7428, 7440, 8742, 9285, 9904, 11280, 11656, 12380, 14570, 14856, 17484, 18570, 19189, 21855, 23312, 24760, 29093, 29140, 29712, 34968, 37140, 38378, 43710, 49520, 57567, 58186, 58280, 69936, 74280, 76756, 87279, 87420, 95945, 115134, 116372, 116560, 145465, 148560, 153512, 174558, 174840, 191890, 230268, 232744, 287835, 290930, 307024, 349116, 349680, 383780, 436395, 460536, 465488, 575670, 581860, 698232, 767560, 872790, 901883, 921072, 1151340, 1163720, 1396464, 1535120, 1745580, 1803766, 2302680, 2327440, 2705649, 3491160, 3607532, 4509415, 4605360, 5411298, 6982320, 7215064, 9018830, 10822596, 13528245, 14430128, 18037660, 21645192, 27056490, 36075320, 43290384, 54112980, 72150640, 108225960, 216451920]

約数ペア:

[(1, 216451920), (2, 108225960), (3, 72150640), (4, 54112980), (5, 43290384), (6, 36075320), (8, 27056490), (10, 21645192), (12, 18037660), (15, 14430128), (16, 13528245), (20, 10822596), (24, 9018830), (30, 7215064), (31, 6982320), (40, 5411298), (47, 4605360), (48, 4509415), (60, 3607532), (62, 3491160), (80, 2705649), (93, 2327440), (94, 2302680), (120, 1803766), (124, 1745580), (141, 1535120), (155, 1396464), (186, 1163720), (188, 1151340), (235, 921072), (240, 901883), (248, 872790), (282, 767560), (310, 698232), (372, 581860), (376, 575670), (465, 465488), (470, 460536), (496, 436395), (564, 383780), (619, 349680), (620, 349116), (705, 307024), (744, 290930), (752, 287835), (930, 232744), (940, 230268), (1128, 191890), (1238, 174840), (1240, 174558), (1410, 153512), (1457, 148560), (1488, 145465), (1857, 116560), (1860, 116372), (1880, 115134), (2256, 95945), (2476, 87420), (2480, 87279), (2820, 76756), (2914, 74280), (3095, 69936), (3714, 58280), (3720, 58186), (3760, 57567), (4371, 49520), (4952, 43710), (5640, 38378), (5828, 37140), (6190, 34968), (7285, 29712), (7428, 29140), (7440, 29093), (8742, 24760), (9285, 23312), (9904, 21855), (11280, 19189), (11656, 18570), (12380, 17484), (14570, 14856)]