245354640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 783699840

約数和(自身を除く): 538345200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 109, 113, 120, 166, 218, 226, 240, 249, 327, 332, 339, 415, 436, 452, 498, 545, 565, 654, 664, 678, 830, 872, 904, 996, 1090, 1130, 1245, 1308, 1328, 1356, 1635, 1660, 1695, 1744, 1808, 1992, 2180, 2260, 2490, 2616, 2712, 3270, 3320, 3390, 3984, 4360, 4520, 4980, 5232, 5424, 6540, 6640, 6780, 8720, 9040, 9047, 9379, 9960, 12317, 13080, 13560, 18094, 18758, 19920, 24634, 26160, 27120, 27141, 28137, 36188, 36951, 37516, 45235, 46895, 49268, 54282, 56274, 61585, 72376, 73902, 75032, 90470, 93790, 98536, 108564, 112548, 123170, 135705, 140685, 144752, 147804, 150064, 180940, 184755, 187580, 197072, 217128, 225096, 246340, 271410, 281370, 295608, 361880, 369510, 375160, 434256, 450192, 492680, 542820, 562740, 591216, 723760, 739020, 750320, 985360, 1022311, 1085640, 1125480, 1478040, 2044622, 2171280, 2250960, 2956080, 3066933, 4089244, 5111555, 6133866, 8178488, 10223110, 12267732, 15334665, 16356976, 20446220, 24535464, 30669330, 40892440, 49070928, 61338660, 81784880, 122677320, 245354640]

約数ペア:

[(1, 245354640), (2, 122677320), (3, 81784880), (4, 61338660), (5, 49070928), (6, 40892440), (8, 30669330), (10, 24535464), (12, 20446220), (15, 16356976), (16, 15334665), (20, 12267732), (24, 10223110), (30, 8178488), (40, 6133866), (48, 5111555), (60, 4089244), (80, 3066933), (83, 2956080), (109, 2250960), (113, 2171280), (120, 2044622), (166, 1478040), (218, 1125480), (226, 1085640), (240, 1022311), (249, 985360), (327, 750320), (332, 739020), (339, 723760), (415, 591216), (436, 562740), (452, 542820), (498, 492680), (545, 450192), (565, 434256), (654, 375160), (664, 369510), (678, 361880), (830, 295608), (872, 281370), (904, 271410), (996, 246340), (1090, 225096), (1130, 217128), (1245, 197072), (1308, 187580), (1328, 184755), (1356, 180940), (1635, 150064), (1660, 147804), (1695, 144752), (1744, 140685), (1808, 135705), (1992, 123170), (2180, 112548), (2260, 108564), (2490, 98536), (2616, 93790), (2712, 90470), (3270, 75032), (3320, 73902), (3390, 72376), (3984, 61585), (4360, 56274), (4520, 54282), (4980, 49268), (5232, 46895), (5424, 45235), (6540, 37516), (6640, 36951), (6780, 36188), (8720, 28137), (9040, 27141), (9047, 27120), (9379, 26160), (9960, 24634), (12317, 19920), (13080, 18758), (13560, 18094)]