128433840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 424258560

約数和(自身を除く): 295824720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 53, 60, 69, 80, 92, 106, 115, 120, 138, 159, 184, 212, 230, 240, 265, 276, 318, 345, 368, 424, 439, 460, 530, 552, 636, 690, 795, 848, 878, 920, 1060, 1104, 1219, 1272, 1317, 1380, 1590, 1756, 1840, 2120, 2195, 2438, 2544, 2634, 2760, 3180, 3512, 3657, 4240, 4390, 4876, 5268, 5520, 6095, 6360, 6585, 7024, 7314, 8780, 9752, 10097, 10536, 12190, 12720, 13170, 14628, 17560, 18285, 19504, 20194, 21072, 23267, 24380, 26340, 29256, 30291, 35120, 36570, 40388, 46534, 48760, 50485, 52680, 58512, 60582, 69801, 73140, 80776, 93068, 97520, 100970, 105360, 116335, 121164, 139602, 146280, 151455, 161552, 186136, 201940, 232670, 242328, 279204, 292560, 302910, 349005, 372272, 403880, 465340, 484656, 535141, 558408, 605820, 698010, 807760, 930680, 1070282, 1116816, 1211640, 1396020, 1605423, 1861360, 2140564, 2423280, 2675705, 2792040, 3210846, 4281128, 5351410, 5584080, 6421692, 8027115, 8562256, 10702820, 12843384, 16054230, 21405640, 25686768, 32108460, 42811280, 64216920, 128433840]

約数ペア:

[(1, 128433840), (2, 64216920), (3, 42811280), (4, 32108460), (5, 25686768), (6, 21405640), (8, 16054230), (10, 12843384), (12, 10702820), (15, 8562256), (16, 8027115), (20, 6421692), (23, 5584080), (24, 5351410), (30, 4281128), (40, 3210846), (46, 2792040), (48, 2675705), (53, 2423280), (60, 2140564), (69, 1861360), (80, 1605423), (92, 1396020), (106, 1211640), (115, 1116816), (120, 1070282), (138, 930680), (159, 807760), (184, 698010), (212, 605820), (230, 558408), (240, 535141), (265, 484656), (276, 465340), (318, 403880), (345, 372272), (368, 349005), (424, 302910), (439, 292560), (460, 279204), (530, 242328), (552, 232670), (636, 201940), (690, 186136), (795, 161552), (848, 151455), (878, 146280), (920, 139602), (1060, 121164), (1104, 116335), (1219, 105360), (1272, 100970), (1317, 97520), (1380, 93068), (1590, 80776), (1756, 73140), (1840, 69801), (2120, 60582), (2195, 58512), (2438, 52680), (2544, 50485), (2634, 48760), (2760, 46534), (3180, 40388), (3512, 36570), (3657, 35120), (4240, 30291), (4390, 29256), (4876, 26340), (5268, 24380), (5520, 23267), (6095, 21072), (6360, 20194), (6585, 19504), (7024, 18285), (7314, 17560), (8780, 14628), (9752, 13170), (10097, 12720), (10536, 12190)]