72613240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 197429760

約数和(自身を除く): 124816520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 43, 56, 70, 74, 86, 140, 148, 163, 172, 185, 215, 259, 280, 296, 301, 326, 344, 370, 430, 518, 602, 652, 740, 815, 860, 1036, 1141, 1204, 1295, 1304, 1480, 1505, 1591, 1630, 1720, 2072, 2282, 2408, 2590, 3010, 3182, 3260, 4564, 5180, 5705, 6020, 6031, 6364, 6520, 7009, 7955, 9128, 10360, 11137, 11410, 12040, 12062, 12728, 14018, 15910, 22274, 22820, 24124, 28036, 30155, 31820, 35045, 42217, 44548, 45640, 48248, 49063, 55685, 56072, 60310, 63640, 70090, 84434, 89096, 98126, 111370, 120620, 140180, 168868, 196252, 211085, 222740, 241240, 245315, 259333, 280360, 337736, 392504, 422170, 445480, 490630, 518666, 844340, 981260, 1037332, 1296665, 1688680, 1815331, 1962520, 2074664, 2593330, 3630662, 5186660, 7261324, 9076655, 10373320, 14522648, 18153310, 36306620, 72613240]

約数ペア:

[(1, 72613240), (2, 36306620), (4, 18153310), (5, 14522648), (7, 10373320), (8, 9076655), (10, 7261324), (14, 5186660), (20, 3630662), (28, 2593330), (35, 2074664), (37, 1962520), (40, 1815331), (43, 1688680), (56, 1296665), (70, 1037332), (74, 981260), (86, 844340), (140, 518666), (148, 490630), (163, 445480), (172, 422170), (185, 392504), (215, 337736), (259, 280360), (280, 259333), (296, 245315), (301, 241240), (326, 222740), (344, 211085), (370, 196252), (430, 168868), (518, 140180), (602, 120620), (652, 111370), (740, 98126), (815, 89096), (860, 84434), (1036, 70090), (1141, 63640), (1204, 60310), (1295, 56072), (1304, 55685), (1480, 49063), (1505, 48248), (1591, 45640), (1630, 44548), (1720, 42217), (2072, 35045), (2282, 31820), (2408, 30155), (2590, 28036), (3010, 24124), (3182, 22820), (3260, 22274), (4564, 15910), (5180, 14018), (5705, 12728), (6020, 12062), (6031, 12040), (6364, 11410), (6520, 11137), (7009, 10360), (7955, 9128)]