189947640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 590976000

約数和(自身を除く): 401028360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 179, 185, 222, 239, 296, 358, 370, 444, 478, 537, 555, 716, 717, 740, 888, 895, 956, 1074, 1110, 1195, 1432, 1434, 1480, 1790, 1912, 2148, 2220, 2390, 2685, 2868, 3580, 3585, 4296, 4440, 4780, 5370, 5736, 6623, 7160, 7170, 8843, 9560, 10740, 13246, 14340, 17686, 19869, 21480, 26492, 26529, 28680, 33115, 35372, 39738, 42781, 44215, 52984, 53058, 66230, 70744, 79476, 85562, 88430, 99345, 106116, 128343, 132460, 132645, 158952, 171124, 176860, 198690, 212232, 213905, 256686, 264920, 265290, 342248, 353720, 397380, 427810, 513372, 530580, 641715, 794760, 855620, 1026744, 1061160, 1283430, 1582897, 1711240, 2566860, 3165794, 4748691, 5133720, 6331588, 7914485, 9497382, 12663176, 15828970, 18994764, 23743455, 31657940, 37989528, 47486910, 63315880, 94973820, 189947640]

約数ペア:

[(1, 189947640), (2, 94973820), (3, 63315880), (4, 47486910), (5, 37989528), (6, 31657940), (8, 23743455), (10, 18994764), (12, 15828970), (15, 12663176), (20, 9497382), (24, 7914485), (30, 6331588), (37, 5133720), (40, 4748691), (60, 3165794), (74, 2566860), (111, 1711240), (120, 1582897), (148, 1283430), (179, 1061160), (185, 1026744), (222, 855620), (239, 794760), (296, 641715), (358, 530580), (370, 513372), (444, 427810), (478, 397380), (537, 353720), (555, 342248), (716, 265290), (717, 264920), (740, 256686), (888, 213905), (895, 212232), (956, 198690), (1074, 176860), (1110, 171124), (1195, 158952), (1432, 132645), (1434, 132460), (1480, 128343), (1790, 106116), (1912, 99345), (2148, 88430), (2220, 85562), (2390, 79476), (2685, 70744), (2868, 66230), (3580, 53058), (3585, 52984), (4296, 44215), (4440, 42781), (4780, 39738), (5370, 35372), (5736, 33115), (6623, 28680), (7160, 26529), (7170, 26492), (8843, 21480), (9560, 19869), (10740, 17686), (13246, 14340)]