15123420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 51734592

約数和(自身を除く): 36611172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 281, 299, 345, 390, 414, 460, 468, 562, 585, 598, 690, 780, 828, 843, 897, 1035, 1124, 1170, 1196, 1380, 1405, 1495, 1686, 1794, 2070, 2340, 2529, 2691, 2810, 2990, 3372, 3588, 3653, 4140, 4215, 4485, 5058, 5382, 5620, 5980, 6463, 7306, 8430, 8970, 10116, 10764, 10959, 12645, 12926, 13455, 14612, 16860, 17940, 18265, 19389, 21918, 25290, 25852, 26910, 32315, 32877, 36530, 38778, 43836, 50580, 53820, 54795, 58167, 64630, 65754, 73060, 77556, 84019, 96945, 109590, 116334, 129260, 131508, 164385, 168038, 193890, 219180, 232668, 252057, 290835, 328770, 336076, 387780, 420095, 504114, 581670, 657540, 756171, 840190, 1008228, 1163340, 1260285, 1512342, 1680380, 2520570, 3024684, 3780855, 5041140, 7561710, 15123420]

約数ペア:

[(1, 15123420), (2, 7561710), (3, 5041140), (4, 3780855), (5, 3024684), (6, 2520570), (9, 1680380), (10, 1512342), (12, 1260285), (13, 1163340), (15, 1008228), (18, 840190), (20, 756171), (23, 657540), (26, 581670), (30, 504114), (36, 420095), (39, 387780), (45, 336076), (46, 328770), (52, 290835), (60, 252057), (65, 232668), (69, 219180), (78, 193890), (90, 168038), (92, 164385), (115, 131508), (117, 129260), (130, 116334), (138, 109590), (156, 96945), (180, 84019), (195, 77556), (207, 73060), (230, 65754), (234, 64630), (260, 58167), (276, 54795), (281, 53820), (299, 50580), (345, 43836), (390, 38778), (414, 36530), (460, 32877), (468, 32315), (562, 26910), (585, 25852), (598, 25290), (690, 21918), (780, 19389), (828, 18265), (843, 17940), (897, 16860), (1035, 14612), (1124, 13455), (1170, 12926), (1196, 12645), (1380, 10959), (1405, 10764), (1495, 10116), (1686, 8970), (1794, 8430), (2070, 7306), (2340, 6463), (2529, 5980), (2691, 5620), (2810, 5382), (2990, 5058), (3372, 4485), (3588, 4215), (3653, 4140)]