72257640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 192

約数和(自身を含む): 268790400

約数和(自身を除く): 196532760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 169, 182, 195, 210, 260, 273, 280, 312, 338, 364, 390, 420, 455, 507, 509, 520, 546, 676, 728, 780, 840, 845, 910, 1014, 1018, 1092, 1183, 1352, 1365, 1527, 1560, 1690, 1820, 2028, 2036, 2184, 2366, 2535, 2545, 2730, 3054, 3380, 3549, 3563, 3640, 4056, 4072, 4732, 5070, 5090, 5460, 5915, 6108, 6617, 6760, 7098, 7126, 7635, 9464, 10140, 10180, 10689, 10920, 11830, 12216, 13234, 14196, 14252, 15270, 17745, 17815, 19851, 20280, 20360, 21378, 23660, 26468, 28392, 28504, 30540, 33085, 35490, 35630, 39702, 42756, 46319, 47320, 52936, 53445, 61080, 66170, 70980, 71260, 79404, 85512, 86021, 92638, 99255, 106890, 132340, 138957, 141960, 142520, 158808, 172042, 185276, 198510, 213780, 231595, 258063, 264680, 277914, 344084, 370552, 397020, 427560, 430105, 463190, 516126, 555828, 602147, 688168, 694785, 794040, 860210, 926380, 1032252, 1111656, 1204294, 1290315, 1389570, 1720420, 1806441, 1852760, 2064504, 2408588, 2580630, 2779140, 3010735, 3440840, 3612882, 4817176, 5161260, 5558280, 6021470, 7225764, 9032205, 10322520, 12042940, 14451528, 18064410, 24085880, 36128820, 72257640]

約数ペア:

[(1, 72257640), (2, 36128820), (3, 24085880), (4, 18064410), (5, 14451528), (6, 12042940), (7, 10322520), (8, 9032205), (10, 7225764), (12, 6021470), (13, 5558280), (14, 5161260), (15, 4817176), (20, 3612882), (21, 3440840), (24, 3010735), (26, 2779140), (28, 2580630), (30, 2408588), (35, 2064504), (39, 1852760), (40, 1806441), (42, 1720420), (52, 1389570), (56, 1290315), (60, 1204294), (65, 1111656), (70, 1032252), (78, 926380), (84, 860210), (91, 794040), (104, 694785), (105, 688168), (120, 602147), (130, 555828), (140, 516126), (156, 463190), (168, 430105), (169, 427560), (182, 397020), (195, 370552), (210, 344084), (260, 277914), (273, 264680), (280, 258063), (312, 231595), (338, 213780), (364, 198510), (390, 185276), (420, 172042), (455, 158808), (507, 142520), (509, 141960), (520, 138957), (546, 132340), (676, 106890), (728, 99255), (780, 92638), (840, 86021), (845, 85512), (910, 79404), (1014, 71260), (1018, 70980), (1092, 66170), (1183, 61080), (1352, 53445), (1365, 52936), (1527, 47320), (1560, 46319), (1690, 42756), (1820, 39702), (2028, 35630), (2036, 35490), (2184, 33085), (2366, 30540), (2535, 28504), (2545, 28392), (2730, 26468), (3054, 23660), (3380, 21378), (3549, 20360), (3563, 20280), (3640, 19851), (4056, 17815), (4072, 17745), (4732, 15270), (5070, 14252), (5090, 14196), (5460, 13234), (5915, 12216), (6108, 11830), (6617, 10920), (6760, 10689), (7098, 10180), (7126, 10140), (7635, 9464)]