281961120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2707}}^1$

素因数の和:2763

約数の個数: 192

約数和(自身を含む): 1048190976

約数和(自身を除く): 766229856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 992, 1085, 1120, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 2707, 2976, 3255, 3360, 3472, 3720, 4340, 4960, 5208, 5414, 6510, 6944, 7440, 8121, 8680, 10416, 10828, 13020, 13535, 14880, 16242, 17360, 18949, 20832, 21656, 26040, 27070, 32484, 34720, 37898, 40605, 43312, 52080, 54140, 56847, 64968, 75796, 81210, 83917, 86624, 94745, 104160, 108280, 113694, 129936, 151592, 162420, 167834, 189490, 216560, 227388, 251751, 259872, 284235, 303184, 324840, 335668, 378980, 419585, 433120, 454776, 503502, 568470, 587419, 606368, 649680, 671336, 757960, 839170, 909552, 1007004, 1136940, 1174838, 1258755, 1299360, 1342672, 1515920, 1678340, 1762257, 1819104, 2014008, 2273880, 2349676, 2517510, 2685344, 2937095, 3031840, 3356680, 3524514, 4028016, 4547760, 4699352, 5035020, 5874190, 6713360, 7049028, 8056032, 8811285, 9095520, 9398704, 10070040, 11748380, 13426720, 14098056, 17622570, 18797408, 20140080, 23496760, 28196112, 35245140, 40280160, 46993520, 56392224, 70490280, 93987040, 140980560, 281961120]

約数ペア:

[(1, 281961120), (2, 140980560), (3, 93987040), (4, 70490280), (5, 56392224), (6, 46993520), (7, 40280160), (8, 35245140), (10, 28196112), (12, 23496760), (14, 20140080), (15, 18797408), (16, 17622570), (20, 14098056), (21, 13426720), (24, 11748380), (28, 10070040), (30, 9398704), (31, 9095520), (32, 8811285), (35, 8056032), (40, 7049028), (42, 6713360), (48, 5874190), (56, 5035020), (60, 4699352), (62, 4547760), (70, 4028016), (80, 3524514), (84, 3356680), (93, 3031840), (96, 2937095), (105, 2685344), (112, 2517510), (120, 2349676), (124, 2273880), (140, 2014008), (155, 1819104), (160, 1762257), (168, 1678340), (186, 1515920), (210, 1342672), (217, 1299360), (224, 1258755), (240, 1174838), (248, 1136940), (280, 1007004), (310, 909552), (336, 839170), (372, 757960), (420, 671336), (434, 649680), (465, 606368), (480, 587419), (496, 568470), (560, 503502), (620, 454776), (651, 433120), (672, 419585), (744, 378980), (840, 335668), (868, 324840), (930, 303184), (992, 284235), (1085, 259872), (1120, 251751), (1240, 227388), (1302, 216560), (1488, 189490), (1680, 167834), (1736, 162420), (1860, 151592), (2170, 129936), (2480, 113694), (2604, 108280), (2707, 104160), (2976, 94745), (3255, 86624), (3360, 83917), (3472, 81210), (3720, 75796), (4340, 64968), (4960, 56847), (5208, 54140), (5414, 52080), (6510, 43312), (6944, 40605), (7440, 37898), (8121, 34720), (8680, 32484), (10416, 27070), (10828, 26040), (13020, 21656), (13535, 20832), (14880, 18949), (16242, 17360)]