253477140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:438

約数の個数: 192

約数和(自身を含む): 868589568

約数和(自身を除く): 615112428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 131, 140, 170, 204, 210, 238, 255, 262, 271, 340, 357, 393, 420, 476, 510, 524, 542, 595, 655, 714, 786, 813, 917, 1020, 1084, 1190, 1310, 1355, 1428, 1572, 1626, 1785, 1834, 1897, 1965, 2227, 2380, 2620, 2710, 2751, 3252, 3570, 3668, 3794, 3930, 4065, 4454, 4585, 4607, 5420, 5502, 5691, 6681, 7140, 7588, 7860, 8130, 8908, 9170, 9214, 9485, 11004, 11135, 11382, 13362, 13755, 13821, 15589, 16260, 18340, 18428, 18970, 22270, 22764, 23035, 26724, 27510, 27642, 28455, 31178, 32249, 33405, 35501, 37940, 44540, 46070, 46767, 55020, 55284, 56910, 62356, 64498, 66810, 69105, 71002, 77945, 92140, 93534, 96747, 106503, 113820, 128996, 133620, 138210, 142004, 155890, 161245, 177505, 187068, 193494, 213006, 233835, 248507, 276420, 311780, 322490, 355010, 386988, 426012, 467670, 483735, 497014, 532515, 603517, 644980, 710020, 745521, 935340, 967470, 994028, 1065030, 1207034, 1242535, 1491042, 1810551, 1934940, 2130060, 2414068, 2485070, 2982084, 3017585, 3621102, 3727605, 4224619, 4970140, 6035170, 7242204, 7455210, 8449238, 9052755, 12070340, 12673857, 14910420, 16898476, 18105510, 21123095, 25347714, 36211020, 42246190, 50695428, 63369285, 84492380, 126738570, 253477140]

約数ペア:

[(1, 253477140), (2, 126738570), (3, 84492380), (4, 63369285), (5, 50695428), (6, 42246190), (7, 36211020), (10, 25347714), (12, 21123095), (14, 18105510), (15, 16898476), (17, 14910420), (20, 12673857), (21, 12070340), (28, 9052755), (30, 8449238), (34, 7455210), (35, 7242204), (42, 6035170), (51, 4970140), (60, 4224619), (68, 3727605), (70, 3621102), (84, 3017585), (85, 2982084), (102, 2485070), (105, 2414068), (119, 2130060), (131, 1934940), (140, 1810551), (170, 1491042), (204, 1242535), (210, 1207034), (238, 1065030), (255, 994028), (262, 967470), (271, 935340), (340, 745521), (357, 710020), (393, 644980), (420, 603517), (476, 532515), (510, 497014), (524, 483735), (542, 467670), (595, 426012), (655, 386988), (714, 355010), (786, 322490), (813, 311780), (917, 276420), (1020, 248507), (1084, 233835), (1190, 213006), (1310, 193494), (1355, 187068), (1428, 177505), (1572, 161245), (1626, 155890), (1785, 142004), (1834, 138210), (1897, 133620), (1965, 128996), (2227, 113820), (2380, 106503), (2620, 96747), (2710, 93534), (2751, 92140), (3252, 77945), (3570, 71002), (3668, 69105), (3794, 66810), (3930, 64498), (4065, 62356), (4454, 56910), (4585, 55284), (4607, 55020), (5420, 46767), (5502, 46070), (5691, 44540), (6681, 37940), (7140, 35501), (7588, 33405), (7860, 32249), (8130, 31178), (8908, 28455), (9170, 27642), (9214, 27510), (9485, 26724), (11004, 23035), (11135, 22764), (11382, 22270), (13362, 18970), (13755, 18428), (13821, 18340), (15589, 16260)]