231418720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 630637056

約数和(自身を除く): 399218336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 37, 40, 52, 62, 65, 74, 80, 97, 104, 124, 130, 148, 155, 160, 185, 194, 208, 248, 260, 296, 310, 370, 388, 403, 416, 481, 485, 496, 520, 592, 620, 740, 776, 806, 962, 970, 992, 1040, 1147, 1184, 1240, 1261, 1480, 1552, 1612, 1924, 1940, 2015, 2080, 2294, 2405, 2480, 2522, 2960, 3007, 3104, 3224, 3589, 3848, 3880, 4030, 4588, 4810, 4960, 5044, 5735, 5920, 6014, 6305, 6448, 7178, 7696, 7760, 8060, 9176, 9620, 10088, 11470, 12028, 12610, 12896, 14356, 14911, 15035, 15392, 15520, 16120, 17945, 18352, 19240, 20176, 22940, 24056, 25220, 28712, 29822, 30070, 32240, 35890, 36704, 38480, 39091, 40352, 45880, 46657, 48112, 50440, 57424, 59644, 60140, 64480, 71780, 74555, 76960, 78182, 91760, 93314, 96224, 100880, 111259, 114848, 119288, 120280, 143560, 149110, 156364, 183520, 186628, 195455, 201760, 222518, 233285, 238576, 240560, 287120, 298220, 312728, 373256, 390910, 445036, 466570, 477152, 481120, 556295, 574240, 596440, 625456, 746512, 781820, 890072, 933140, 1112590, 1192880, 1250912, 1446367, 1493024, 1563640, 1780144, 1866280, 2225180, 2385760, 2892734, 3127280, 3560288, 3732560, 4450360, 5785468, 6254560, 7231835, 7465120, 8900720, 11570936, 14463670, 17801440, 23141872, 28927340, 46283744, 57854680, 115709360, 231418720]

約数ペア:

[(1, 231418720), (2, 115709360), (4, 57854680), (5, 46283744), (8, 28927340), (10, 23141872), (13, 17801440), (16, 14463670), (20, 11570936), (26, 8900720), (31, 7465120), (32, 7231835), (37, 6254560), (40, 5785468), (52, 4450360), (62, 3732560), (65, 3560288), (74, 3127280), (80, 2892734), (97, 2385760), (104, 2225180), (124, 1866280), (130, 1780144), (148, 1563640), (155, 1493024), (160, 1446367), (185, 1250912), (194, 1192880), (208, 1112590), (248, 933140), (260, 890072), (296, 781820), (310, 746512), (370, 625456), (388, 596440), (403, 574240), (416, 556295), (481, 481120), (485, 477152), (496, 466570), (520, 445036), (592, 390910), (620, 373256), (740, 312728), (776, 298220), (806, 287120), (962, 240560), (970, 238576), (992, 233285), (1040, 222518), (1147, 201760), (1184, 195455), (1240, 186628), (1261, 183520), (1480, 156364), (1552, 149110), (1612, 143560), (1924, 120280), (1940, 119288), (2015, 114848), (2080, 111259), (2294, 100880), (2405, 96224), (2480, 93314), (2522, 91760), (2960, 78182), (3007, 76960), (3104, 74555), (3224, 71780), (3589, 64480), (3848, 60140), (3880, 59644), (4030, 57424), (4588, 50440), (4810, 48112), (4960, 46657), (5044, 45880), (5735, 40352), (5920, 39091), (6014, 38480), (6305, 36704), (6448, 35890), (7178, 32240), (7696, 30070), (7760, 29822), (8060, 28712), (9176, 25220), (9620, 24056), (10088, 22940), (11470, 20176), (12028, 19240), (12610, 18352), (12896, 17945), (14356, 16120), (14911, 15520), (15035, 15392)]