1918447040

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:886

約数の個数: 112

約数和(自身を含む): 4715889984

約数和(自身を除く): 2797442944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 311, 320, 370, 521, 592, 622, 740, 1042, 1184, 1244, 1480, 1555, 2084, 2368, 2488, 2605, 2960, 3110, 4168, 4976, 5210, 5920, 6220, 8336, 9952, 10420, 11507, 11840, 12440, 16672, 19277, 19904, 20840, 23014, 24880, 33344, 38554, 41680, 46028, 49760, 57535, 77108, 83360, 92056, 96385, 99520, 115070, 154216, 162031, 166720, 184112, 192770, 230140, 308432, 324062, 368224, 385540, 460280, 616864, 648124, 736448, 771080, 810155, 920560, 1233728, 1296248, 1542160, 1620310, 1841120, 2592496, 3084320, 3240620, 3682240, 5184992, 5995147, 6168640, 6481240, 10369984, 11990294, 12962480, 23980588, 25924960, 29975735, 47961176, 51849920, 59951470, 95922352, 119902940, 191844704, 239805880, 383689408, 479611760, 959223520, 1918447040]

約数ペア:

[(1, 1918447040), (2, 959223520), (4, 479611760), (5, 383689408), (8, 239805880), (10, 191844704), (16, 119902940), (20, 95922352), (32, 59951470), (37, 51849920), (40, 47961176), (64, 29975735), (74, 25924960), (80, 23980588), (148, 12962480), (160, 11990294), (185, 10369984), (296, 6481240), (311, 6168640), (320, 5995147), (370, 5184992), (521, 3682240), (592, 3240620), (622, 3084320), (740, 2592496), (1042, 1841120), (1184, 1620310), (1244, 1542160), (1480, 1296248), (1555, 1233728), (2084, 920560), (2368, 810155), (2488, 771080), (2605, 736448), (2960, 648124), (3110, 616864), (4168, 460280), (4976, 385540), (5210, 368224), (5920, 324062), (6220, 308432), (8336, 230140), (9952, 192770), (10420, 184112), (11507, 166720), (11840, 162031), (12440, 154216), (16672, 115070), (19277, 99520), (19904, 96385), (20840, 92056), (23014, 83360), (24880, 77108), (33344, 57535), (38554, 49760), (41680, 46028)]