30915040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 80015040

約数和(自身を除く): 49100000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 89, 104, 130, 160, 167, 178, 208, 260, 334, 356, 416, 445, 520, 668, 712, 835, 890, 1040, 1157, 1336, 1424, 1670, 1780, 2080, 2171, 2314, 2672, 2848, 3340, 3560, 4342, 4628, 5344, 5785, 6680, 7120, 8684, 9256, 10855, 11570, 13360, 14240, 14863, 17368, 18512, 21710, 23140, 26720, 29726, 34736, 37024, 43420, 46280, 59452, 69472, 74315, 86840, 92560, 118904, 148630, 173680, 185120, 193219, 237808, 297260, 347360, 386438, 475616, 594520, 772876, 966095, 1189040, 1545752, 1932190, 2378080, 3091504, 3864380, 6183008, 7728760, 15457520, 30915040]

約数ペア:

[(1, 30915040), (2, 15457520), (4, 7728760), (5, 6183008), (8, 3864380), (10, 3091504), (13, 2378080), (16, 1932190), (20, 1545752), (26, 1189040), (32, 966095), (40, 772876), (52, 594520), (65, 475616), (80, 386438), (89, 347360), (104, 297260), (130, 237808), (160, 193219), (167, 185120), (178, 173680), (208, 148630), (260, 118904), (334, 92560), (356, 86840), (416, 74315), (445, 69472), (520, 59452), (668, 46280), (712, 43420), (835, 37024), (890, 34736), (1040, 29726), (1157, 26720), (1336, 23140), (1424, 21710), (1670, 18512), (1780, 17368), (2080, 14863), (2171, 14240), (2314, 13360), (2672, 11570), (2848, 10855), (3340, 9256), (3560, 8684), (4342, 7120), (4628, 6680), (5344, 5785)]