320327280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4889}}^1$

素因数の和:4928

約数の個数: 240

約数和(自身を含む): 1324290240

約数和(自身を除く): 1003962960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 4095, 4368, 4680, 4889, 5040, 5460, 6552, 7280, 8190, 9360, 9778, 10920, 13104, 14667, 16380, 19556, 21840, 24445, 29334, 32760, 34223, 39112, 44001, 48890, 58668, 63557, 65520, 68446, 73335, 78224, 88002, 97780, 102669, 117336, 127114, 136892, 146670, 171115, 176004, 190671, 195560, 205338, 220005, 234672, 254228, 273784, 293340, 308007, 317785, 342230, 352008, 381342, 391120, 410676, 440010, 444899, 508456, 513345, 547568, 572013, 586680, 616014, 635570, 684460, 704016, 762684, 821352, 880020, 889798, 953355, 1016912, 1026690, 1144026, 1173360, 1232028, 1271140, 1334697, 1368920, 1525368, 1540035, 1642704, 1760040, 1779596, 1906710, 2053380, 2224495, 2288052, 2464056, 2542280, 2669394, 2737840, 2860065, 3050736, 3080070, 3520080, 3559192, 3813420, 4004091, 4106760, 4448990, 4576104, 4928112, 5084560, 5338788, 5720130, 6160140, 6673485, 7118384, 7626840, 8008182, 8213520, 8897980, 9152208, 10677576, 11440260, 12320280, 13346970, 15253680, 16016364, 17795960, 20020455, 21355152, 22880520, 24640560, 26693940, 32032728, 35591920, 40040910, 45761040, 53387880, 64065456, 80081820, 106775760, 160163640, 320327280]

約数ペア:

[(1, 320327280), (2, 160163640), (3, 106775760), (4, 80081820), (5, 64065456), (6, 53387880), (7, 45761040), (8, 40040910), (9, 35591920), (10, 32032728), (12, 26693940), (13, 24640560), (14, 22880520), (15, 21355152), (16, 20020455), (18, 17795960), (20, 16016364), (21, 15253680), (24, 13346970), (26, 12320280), (28, 11440260), (30, 10677576), (35, 9152208), (36, 8897980), (39, 8213520), (40, 8008182), (42, 7626840), (45, 7118384), (48, 6673485), (52, 6160140), (56, 5720130), (60, 5338788), (63, 5084560), (65, 4928112), (70, 4576104), (72, 4448990), (78, 4106760), (80, 4004091), (84, 3813420), (90, 3559192), (91, 3520080), (104, 3080070), (105, 3050736), (112, 2860065), (117, 2737840), (120, 2669394), (126, 2542280), (130, 2464056), (140, 2288052), (144, 2224495), (156, 2053380), (168, 1906710), (180, 1779596), (182, 1760040), (195, 1642704), (208, 1540035), (210, 1525368), (234, 1368920), (240, 1334697), (252, 1271140), (260, 1232028), (273, 1173360), (280, 1144026), (312, 1026690), (315, 1016912), (336, 953355), (360, 889798), (364, 880020), (390, 821352), (420, 762684), (455, 704016), (468, 684460), (504, 635570), (520, 616014), (546, 586680), (560, 572013), (585, 547568), (624, 513345), (630, 508456), (720, 444899), (728, 440010), (780, 410676), (819, 391120), (840, 381342), (910, 352008), (936, 342230), (1008, 317785), (1040, 308007), (1092, 293340), (1170, 273784), (1260, 254228), (1365, 234672), (1456, 220005), (1560, 205338), (1638, 195560), (1680, 190671), (1820, 176004), (1872, 171115), (2184, 146670), (2340, 136892), (2520, 127114), (2730, 117336), (3120, 102669), (3276, 97780), (3640, 88002), (4095, 78224), (4368, 73335), (4680, 68446), (4889, 65520), (5040, 63557), (5460, 58668), (6552, 48890), (7280, 44001), (8190, 39112), (9360, 34223), (9778, 32760), (10920, 29334), (13104, 24445), (14667, 21840), (16380, 19556)]