64554840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{8539}}^1$

素因数の和:8566

約数の個数: 128

約数和(自身を含む): 245952000

約数和(自身を除く): 181397160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 8539, 17078, 25617, 34156, 42695, 51234, 59773, 68312, 76851, 85390, 102468, 119546, 128085, 153702, 170780, 179319, 204936, 230553, 239092, 256170, 298865, 307404, 341560, 358638, 384255, 461106, 478184, 512340, 537957, 597730, 614808, 717276, 768510, 896595, 922212, 1024680, 1075914, 1152765, 1195460, 1434552, 1537020, 1613871, 1793190, 1844424, 2151828, 2305530, 2390920, 2689785, 3074040, 3227742, 3586380, 4303656, 4611060, 5379570, 6455484, 7172760, 8069355, 9222120, 10759140, 12910968, 16138710, 21518280, 32277420, 64554840]

約数ペア:

[(1, 64554840), (2, 32277420), (3, 21518280), (4, 16138710), (5, 12910968), (6, 10759140), (7, 9222120), (8, 8069355), (9, 7172760), (10, 6455484), (12, 5379570), (14, 4611060), (15, 4303656), (18, 3586380), (20, 3227742), (21, 3074040), (24, 2689785), (27, 2390920), (28, 2305530), (30, 2151828), (35, 1844424), (36, 1793190), (40, 1613871), (42, 1537020), (45, 1434552), (54, 1195460), (56, 1152765), (60, 1075914), (63, 1024680), (70, 922212), (72, 896595), (84, 768510), (90, 717276), (105, 614808), (108, 597730), (120, 537957), (126, 512340), (135, 478184), (140, 461106), (168, 384255), (180, 358638), (189, 341560), (210, 307404), (216, 298865), (252, 256170), (270, 239092), (280, 230553), (315, 204936), (360, 179319), (378, 170780), (420, 153702), (504, 128085), (540, 119546), (630, 102468), (756, 85390), (840, 76851), (945, 68312), (1080, 59773), (1260, 51234), (1512, 42695), (1890, 34156), (2520, 25617), (3780, 17078), (7560, 8539)]