72680580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1559}}^1$

素因数の和:1618

約数の個数: 144

約数和(自身を含む): 258935040

約数和(自身を除く): 186254460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1559, 1665, 2220, 2331, 2590, 3108, 3118, 3330, 3885, 4662, 4677, 5180, 6236, 6660, 7770, 7795, 9324, 9354, 10913, 11655, 14031, 15540, 15590, 18708, 21826, 23310, 23385, 28062, 31180, 32739, 43652, 46620, 46770, 54565, 56124, 57683, 65478, 70155, 93540, 98217, 109130, 115366, 130956, 140310, 163695, 173049, 196434, 218260, 230732, 280620, 288415, 327390, 346098, 392868, 403781, 491085, 519147, 576830, 654780, 692196, 807562, 865245, 982170, 1038294, 1153660, 1211343, 1615124, 1730490, 1964340, 2018905, 2076588, 2422686, 2595735, 3460980, 3634029, 4037810, 4845372, 5191470, 6056715, 7268058, 8075620, 10382940, 12113430, 14536116, 18170145, 24226860, 36340290, 72680580]

約数ペア:

[(1, 72680580), (2, 36340290), (3, 24226860), (4, 18170145), (5, 14536116), (6, 12113430), (7, 10382940), (9, 8075620), (10, 7268058), (12, 6056715), (14, 5191470), (15, 4845372), (18, 4037810), (20, 3634029), (21, 3460980), (28, 2595735), (30, 2422686), (35, 2076588), (36, 2018905), (37, 1964340), (42, 1730490), (45, 1615124), (60, 1211343), (63, 1153660), (70, 1038294), (74, 982170), (84, 865245), (90, 807562), (105, 692196), (111, 654780), (126, 576830), (140, 519147), (148, 491085), (180, 403781), (185, 392868), (210, 346098), (222, 327390), (252, 288415), (259, 280620), (315, 230732), (333, 218260), (370, 196434), (420, 173049), (444, 163695), (518, 140310), (555, 130956), (630, 115366), (666, 109130), (740, 98217), (777, 93540), (1036, 70155), (1110, 65478), (1260, 57683), (1295, 56124), (1332, 54565), (1554, 46770), (1559, 46620), (1665, 43652), (2220, 32739), (2331, 31180), (2590, 28062), (3108, 23385), (3118, 23310), (3330, 21826), (3885, 18708), (4662, 15590), (4677, 15540), (5180, 14031), (6236, 11655), (6660, 10913), (7770, 9354), (7795, 9324)]