327921720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 256

約数和(自身を含む): 1188864000

約数和(自身を除く): 860942280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 257, 280, 294, 310, 343, 372, 392, 420, 434, 465, 490, 514, 588, 620, 651, 686, 735, 744, 771, 840, 868, 930, 980, 1028, 1029, 1085, 1176, 1240, 1285, 1302, 1372, 1470, 1519, 1542, 1715, 1736, 1799, 1860, 1960, 2056, 2058, 2170, 2570, 2604, 2744, 2940, 3038, 3084, 3255, 3430, 3598, 3720, 3855, 4116, 4340, 4557, 5140, 5145, 5208, 5397, 5880, 6076, 6168, 6510, 6860, 7196, 7595, 7710, 7967, 8232, 8680, 8995, 9114, 10280, 10290, 10633, 10794, 12152, 12593, 13020, 13720, 14392, 15190, 15420, 15934, 17990, 18228, 20580, 21266, 21588, 22785, 23901, 25186, 26040, 26985, 30380, 30840, 31868, 31899, 35980, 36456, 37779, 39835, 41160, 42532, 43176, 45570, 47802, 50372, 53165, 53970, 55769, 60760, 62965, 63736, 63798, 71960, 75558, 79670, 85064, 88151, 91140, 95604, 100744, 106330, 107940, 111538, 119505, 125930, 127596, 151116, 159340, 159495, 167307, 176302, 182280, 188895, 191208, 212660, 215880, 223076, 239010, 251860, 255192, 264453, 278845, 302232, 318680, 318990, 334614, 352604, 377790, 390383, 425320, 440755, 446152, 478020, 503720, 528906, 557690, 637980, 669228, 705208, 755580, 780766, 836535, 881510, 956040, 1057812, 1115380, 1171149, 1275960, 1322265, 1338456, 1511160, 1561532, 1673070, 1763020, 1951915, 2115624, 2230760, 2342298, 2644530, 2732681, 3123064, 3346140, 3526040, 3903830, 4684596, 5289060, 5465362, 5855745, 6692280, 7807660, 8198043, 9369192, 10578120, 10930724, 11711490, 13663405, 15615320, 16396086, 21861448, 23422980, 27326810, 32792172, 40990215, 46845960, 54653620, 65584344, 81980430, 109307240, 163960860, 327921720]

約数ペア:

[(1, 327921720), (2, 163960860), (3, 109307240), (4, 81980430), (5, 65584344), (6, 54653620), (7, 46845960), (8, 40990215), (10, 32792172), (12, 27326810), (14, 23422980), (15, 21861448), (20, 16396086), (21, 15615320), (24, 13663405), (28, 11711490), (30, 10930724), (31, 10578120), (35, 9369192), (40, 8198043), (42, 7807660), (49, 6692280), (56, 5855745), (60, 5465362), (62, 5289060), (70, 4684596), (84, 3903830), (93, 3526040), (98, 3346140), (105, 3123064), (120, 2732681), (124, 2644530), (140, 2342298), (147, 2230760), (155, 2115624), (168, 1951915), (186, 1763020), (196, 1673070), (210, 1561532), (217, 1511160), (245, 1338456), (248, 1322265), (257, 1275960), (280, 1171149), (294, 1115380), (310, 1057812), (343, 956040), (372, 881510), (392, 836535), (420, 780766), (434, 755580), (465, 705208), (490, 669228), (514, 637980), (588, 557690), (620, 528906), (651, 503720), (686, 478020), (735, 446152), (744, 440755), (771, 425320), (840, 390383), (868, 377790), (930, 352604), (980, 334614), (1028, 318990), (1029, 318680), (1085, 302232), (1176, 278845), (1240, 264453), (1285, 255192), (1302, 251860), (1372, 239010), (1470, 223076), (1519, 215880), (1542, 212660), (1715, 191208), (1736, 188895), (1799, 182280), (1860, 176302), (1960, 167307), (2056, 159495), (2058, 159340), (2170, 151116), (2570, 127596), (2604, 125930), (2744, 119505), (2940, 111538), (3038, 107940), (3084, 106330), (3255, 100744), (3430, 95604), (3598, 91140), (3720, 88151), (3855, 85064), (4116, 79670), (4340, 75558), (4557, 71960), (5140, 63798), (5145, 63736), (5208, 62965), (5397, 60760), (5880, 55769), (6076, 53970), (6168, 53165), (6510, 50372), (6860, 47802), (7196, 45570), (7595, 43176), (7710, 42532), (7967, 41160), (8232, 39835), (8680, 37779), (8995, 36456), (9114, 35980), (10280, 31899), (10290, 31868), (10633, 30840), (10794, 30380), (12152, 26985), (12593, 26040), (13020, 25186), (13720, 23901), (14392, 22785), (15190, 21588), (15420, 21266), (15934, 20580), (17990, 18228)]