648617340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1607}}^1$

素因数の和:1688

約数の個数: 144

約数和(自身を含む): 2146023936

約数和(自身を除く): 1497406596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 961, 1085, 1302, 1607, 1860, 1922, 2170, 2604, 2883, 3214, 3255, 3844, 4340, 4805, 4821, 5766, 6428, 6510, 6727, 8035, 9610, 9642, 11249, 11532, 13020, 13454, 14415, 16070, 19220, 19284, 20181, 22498, 24105, 26908, 28830, 32140, 33635, 33747, 40362, 44996, 48210, 49817, 56245, 57660, 67270, 67494, 80724, 96420, 99634, 100905, 112490, 134540, 134988, 149451, 168735, 199268, 201810, 224980, 249085, 298902, 337470, 348719, 403620, 498170, 597804, 674940, 697438, 747255, 996340, 1046157, 1394876, 1494510, 1544327, 1743595, 2092314, 2989020, 3088654, 3487190, 4184628, 4632981, 5230785, 6177308, 6974380, 7721635, 9265962, 10461570, 10810289, 15443270, 18531924, 20923140, 21620578, 23164905, 30886540, 32430867, 43241156, 46329810, 54051445, 64861734, 92659620, 108102890, 129723468, 162154335, 216205780, 324308670, 648617340]

約数ペア:

[(1, 648617340), (2, 324308670), (3, 216205780), (4, 162154335), (5, 129723468), (6, 108102890), (7, 92659620), (10, 64861734), (12, 54051445), (14, 46329810), (15, 43241156), (20, 32430867), (21, 30886540), (28, 23164905), (30, 21620578), (31, 20923140), (35, 18531924), (42, 15443270), (60, 10810289), (62, 10461570), (70, 9265962), (84, 7721635), (93, 6974380), (105, 6177308), (124, 5230785), (140, 4632981), (155, 4184628), (186, 3487190), (210, 3088654), (217, 2989020), (310, 2092314), (372, 1743595), (420, 1544327), (434, 1494510), (465, 1394876), (620, 1046157), (651, 996340), (868, 747255), (930, 697438), (961, 674940), (1085, 597804), (1302, 498170), (1607, 403620), (1860, 348719), (1922, 337470), (2170, 298902), (2604, 249085), (2883, 224980), (3214, 201810), (3255, 199268), (3844, 168735), (4340, 149451), (4805, 134988), (4821, 134540), (5766, 112490), (6428, 100905), (6510, 99634), (6727, 96420), (8035, 80724), (9610, 67494), (9642, 67270), (11249, 57660), (11532, 56245), (13020, 49817), (13454, 48210), (14415, 44996), (16070, 40362), (19220, 33747), (19284, 33635), (20181, 32140), (22498, 28830), (24105, 26908)]