642535920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3613}}^1$

素因数の和:3664

約数の個数: 240

約数和(自身を含む): 2446822560

約数和(自身を除く): 1804286640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3613, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7226, 7410, 8892, 9360, 9880, 10839, 11115, 11856, 13680, 14452, 14820, 17784, 18065, 19760, 21678, 22230, 28904, 29640, 32517, 35568, 36130, 43356, 44460, 46969, 54195, 57808, 59280, 65034, 68647, 72260, 86712, 88920, 93938, 108390, 130068, 137294, 140907, 144520, 162585, 173424, 177840, 187876, 205941, 216780, 234845, 260136, 274588, 281814, 289040, 325170, 343235, 375752, 411882, 422721, 433560, 469690, 520272, 549176, 563628, 617823, 650340, 686470, 704535, 751504, 823764, 845442, 867120, 892411, 939380, 1029705, 1098352, 1127256, 1235646, 1300680, 1372940, 1409070, 1647528, 1690884, 1784822, 1878760, 2059410, 2113605, 2254512, 2471292, 2601360, 2677233, 2745880, 2818140, 3089115, 3295056, 3381768, 3569644, 3757520, 4118820, 4227210, 4462055, 4942584, 5354466, 5491760, 5636280, 6178230, 6763536, 7139288, 8031699, 8237640, 8454420, 8924110, 9885168, 10708932, 11272560, 12356460, 13386165, 14278576, 16063398, 16475280, 16908840, 17848220, 21417864, 24712920, 26772330, 32126796, 33817680, 35696440, 40158495, 42835728, 49425840, 53544660, 64253592, 71392880, 80316990, 107089320, 128507184, 160633980, 214178640, 321267960, 642535920]

約数ペア:

[(1, 642535920), (2, 321267960), (3, 214178640), (4, 160633980), (5, 128507184), (6, 107089320), (8, 80316990), (9, 71392880), (10, 64253592), (12, 53544660), (13, 49425840), (15, 42835728), (16, 40158495), (18, 35696440), (19, 33817680), (20, 32126796), (24, 26772330), (26, 24712920), (30, 21417864), (36, 17848220), (38, 16908840), (39, 16475280), (40, 16063398), (45, 14278576), (48, 13386165), (52, 12356460), (57, 11272560), (60, 10708932), (65, 9885168), (72, 8924110), (76, 8454420), (78, 8237640), (80, 8031699), (90, 7139288), (95, 6763536), (104, 6178230), (114, 5636280), (117, 5491760), (120, 5354466), (130, 4942584), (144, 4462055), (152, 4227210), (156, 4118820), (171, 3757520), (180, 3569644), (190, 3381768), (195, 3295056), (208, 3089115), (228, 2818140), (234, 2745880), (240, 2677233), (247, 2601360), (260, 2471292), (285, 2254512), (304, 2113605), (312, 2059410), (342, 1878760), (360, 1784822), (380, 1690884), (390, 1647528), (456, 1409070), (468, 1372940), (494, 1300680), (520, 1235646), (570, 1127256), (585, 1098352), (624, 1029705), (684, 939380), (720, 892411), (741, 867120), (760, 845442), (780, 823764), (855, 751504), (912, 704535), (936, 686470), (988, 650340), (1040, 617823), (1140, 563628), (1170, 549176), (1235, 520272), (1368, 469690), (1482, 433560), (1520, 422721), (1560, 411882), (1710, 375752), (1872, 343235), (1976, 325170), (2223, 289040), (2280, 281814), (2340, 274588), (2470, 260136), (2736, 234845), (2964, 216780), (3120, 205941), (3420, 187876), (3613, 177840), (3705, 173424), (3952, 162585), (4446, 144520), (4560, 140907), (4680, 137294), (4940, 130068), (5928, 108390), (6840, 93938), (7226, 88920), (7410, 86712), (8892, 72260), (9360, 68647), (9880, 65034), (10839, 59280), (11115, 57808), (11856, 54195), (13680, 46969), (14452, 44460), (14820, 43356), (17784, 36130), (18065, 35568), (19760, 32517), (21678, 29640), (22230, 28904)]