421490280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 1292889600

約数和(自身を除く): 871399320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 173, 237, 257, 316, 346, 395, 474, 514, 519, 632, 692, 771, 790, 865, 948, 1028, 1038, 1185, 1285, 1384, 1542, 1580, 1730, 1896, 2056, 2076, 2370, 2570, 2595, 3084, 3160, 3460, 3855, 4152, 4740, 5140, 5190, 6168, 6920, 7710, 9480, 10280, 10380, 13667, 15420, 20303, 20760, 27334, 30840, 40606, 41001, 44461, 54668, 60909, 68335, 81212, 82002, 88922, 101515, 109336, 121818, 133383, 136670, 162424, 164004, 177844, 203030, 205005, 222305, 243636, 266766, 273340, 304545, 328008, 355688, 406060, 410010, 444610, 487272, 533532, 546680, 609090, 666915, 812120, 820020, 889220, 1067064, 1218180, 1333830, 1640040, 1778440, 2436360, 2667660, 3512419, 5335320, 7024838, 10537257, 14049676, 17562095, 21074514, 28099352, 35124190, 42149028, 52686285, 70248380, 84298056, 105372570, 140496760, 210745140, 421490280]

約数ペア:

[(1, 421490280), (2, 210745140), (3, 140496760), (4, 105372570), (5, 84298056), (6, 70248380), (8, 52686285), (10, 42149028), (12, 35124190), (15, 28099352), (20, 21074514), (24, 17562095), (30, 14049676), (40, 10537257), (60, 7024838), (79, 5335320), (120, 3512419), (158, 2667660), (173, 2436360), (237, 1778440), (257, 1640040), (316, 1333830), (346, 1218180), (395, 1067064), (474, 889220), (514, 820020), (519, 812120), (632, 666915), (692, 609090), (771, 546680), (790, 533532), (865, 487272), (948, 444610), (1028, 410010), (1038, 406060), (1185, 355688), (1285, 328008), (1384, 304545), (1542, 273340), (1580, 266766), (1730, 243636), (1896, 222305), (2056, 205005), (2076, 203030), (2370, 177844), (2570, 164004), (2595, 162424), (3084, 136670), (3160, 133383), (3460, 121818), (3855, 109336), (4152, 101515), (4740, 88922), (5140, 82002), (5190, 81212), (6168, 68335), (6920, 60909), (7710, 54668), (9480, 44461), (10280, 41001), (10380, 40606), (13667, 30840), (15420, 27334), (20303, 20760)]