87656220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 286820352

約数和(自身を除く): 199164132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 620, 683, 690, 713, 828, 930, 1035, 1116, 1366, 1380, 1395, 1426, 1860, 2049, 2070, 2139, 2732, 2790, 2852, 3415, 3565, 4098, 4140, 4278, 5580, 6147, 6417, 6830, 7130, 8196, 8556, 10245, 10695, 12294, 12834, 13660, 14260, 15709, 20490, 21173, 21390, 24588, 25668, 30735, 31418, 32085, 40980, 42346, 42780, 47127, 61470, 62836, 63519, 64170, 78545, 84692, 94254, 105865, 122940, 127038, 128340, 141381, 157090, 188508, 190557, 211730, 235635, 254076, 282762, 314180, 317595, 381114, 423460, 471270, 486979, 565524, 635190, 706905, 762228, 942540, 952785, 973958, 1270380, 1413810, 1460937, 1905570, 1947916, 2434895, 2827620, 2921874, 3811140, 4382811, 4869790, 5843748, 7304685, 8765622, 9739580, 14609370, 17531244, 21914055, 29218740, 43828110, 87656220]

約数ペア:

[(1, 87656220), (2, 43828110), (3, 29218740), (4, 21914055), (5, 17531244), (6, 14609370), (9, 9739580), (10, 8765622), (12, 7304685), (15, 5843748), (18, 4869790), (20, 4382811), (23, 3811140), (30, 2921874), (31, 2827620), (36, 2434895), (45, 1947916), (46, 1905570), (60, 1460937), (62, 1413810), (69, 1270380), (90, 973958), (92, 952785), (93, 942540), (115, 762228), (124, 706905), (138, 635190), (155, 565524), (180, 486979), (186, 471270), (207, 423460), (230, 381114), (276, 317595), (279, 314180), (310, 282762), (345, 254076), (372, 235635), (414, 211730), (460, 190557), (465, 188508), (558, 157090), (620, 141381), (683, 128340), (690, 127038), (713, 122940), (828, 105865), (930, 94254), (1035, 84692), (1116, 78545), (1366, 64170), (1380, 63519), (1395, 62836), (1426, 61470), (1860, 47127), (2049, 42780), (2070, 42346), (2139, 40980), (2732, 32085), (2790, 31418), (2852, 30735), (3415, 25668), (3565, 24588), (4098, 21390), (4140, 21173), (4278, 20490), (5580, 15709), (6147, 14260), (6417, 13660), (6830, 12834), (7130, 12294), (8196, 10695), (8556, 10245)]