281281600

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 168

約数和(自身を含む): 734738688

約数和(自身を除く): 453457088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 53, 62, 64, 80, 100, 106, 107, 124, 155, 160, 200, 212, 214, 248, 265, 310, 320, 400, 424, 428, 496, 530, 535, 620, 775, 800, 848, 856, 992, 1060, 1070, 1240, 1325, 1550, 1600, 1643, 1696, 1712, 1984, 2120, 2140, 2480, 2650, 2675, 3100, 3286, 3317, 3392, 3424, 4240, 4280, 4960, 5300, 5350, 5671, 6200, 6572, 6634, 6848, 8215, 8480, 8560, 9920, 10600, 10700, 11342, 12400, 13144, 13268, 16430, 16585, 16960, 17120, 21200, 21400, 22684, 24800, 26288, 26536, 28355, 32860, 33170, 34240, 41075, 42400, 42800, 45368, 49600, 52576, 53072, 56710, 65720, 66340, 82150, 82925, 84800, 85600, 90736, 105152, 106144, 113420, 131440, 132680, 141775, 164300, 165850, 171200, 175801, 181472, 212288, 226840, 262880, 265360, 283550, 328600, 331700, 351602, 362944, 453680, 525760, 530720, 567100, 657200, 663400, 703204, 879005, 907360, 1061440, 1134200, 1314400, 1326800, 1406408, 1758010, 1814720, 2268400, 2628800, 2653600, 2812816, 3516020, 4395025, 4536800, 5307200, 5625632, 7032040, 8790050, 9073600, 11251264, 14064080, 17580100, 28128160, 35160200, 56256320, 70320400, 140640800, 281281600]

約数ペア:

[(1, 281281600), (2, 140640800), (4, 70320400), (5, 56256320), (8, 35160200), (10, 28128160), (16, 17580100), (20, 14064080), (25, 11251264), (31, 9073600), (32, 8790050), (40, 7032040), (50, 5625632), (53, 5307200), (62, 4536800), (64, 4395025), (80, 3516020), (100, 2812816), (106, 2653600), (107, 2628800), (124, 2268400), (155, 1814720), (160, 1758010), (200, 1406408), (212, 1326800), (214, 1314400), (248, 1134200), (265, 1061440), (310, 907360), (320, 879005), (400, 703204), (424, 663400), (428, 657200), (496, 567100), (530, 530720), (535, 525760), (620, 453680), (775, 362944), (800, 351602), (848, 331700), (856, 328600), (992, 283550), (1060, 265360), (1070, 262880), (1240, 226840), (1325, 212288), (1550, 181472), (1600, 175801), (1643, 171200), (1696, 165850), (1712, 164300), (1984, 141775), (2120, 132680), (2140, 131440), (2480, 113420), (2650, 106144), (2675, 105152), (3100, 90736), (3286, 85600), (3317, 84800), (3392, 82925), (3424, 82150), (4240, 66340), (4280, 65720), (4960, 56710), (5300, 53072), (5350, 52576), (5671, 49600), (6200, 45368), (6572, 42800), (6634, 42400), (6848, 41075), (8215, 34240), (8480, 33170), (8560, 32860), (9920, 28355), (10600, 26536), (10700, 26288), (11342, 24800), (12400, 22684), (13144, 21400), (13268, 21200), (16430, 17120), (16585, 16960)]