64716120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 192

約数和(自身を含む): 244895040

約数和(自身を除く): 180178920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 61, 63, 70, 72, 84, 90, 105, 120, 122, 126, 140, 168, 180, 183, 210, 244, 252, 280, 305, 315, 360, 366, 420, 421, 427, 488, 504, 549, 610, 630, 732, 840, 842, 854, 915, 1098, 1220, 1260, 1263, 1281, 1464, 1684, 1708, 1830, 2105, 2135, 2196, 2440, 2520, 2526, 2562, 2745, 2947, 3368, 3416, 3660, 3789, 3843, 4210, 4270, 4392, 5052, 5124, 5490, 5894, 6315, 6405, 7320, 7578, 7686, 8420, 8540, 8841, 10104, 10248, 10980, 11788, 12630, 12810, 14735, 15156, 15372, 16840, 17080, 17682, 18945, 19215, 21960, 23576, 25260, 25620, 25681, 26523, 29470, 30312, 30744, 35364, 37890, 38430, 44205, 50520, 51240, 51362, 53046, 58940, 70728, 75780, 76860, 77043, 88410, 102724, 106092, 117880, 128405, 132615, 151560, 153720, 154086, 176820, 179767, 205448, 212184, 231129, 256810, 265230, 308172, 353640, 359534, 385215, 462258, 513620, 530460, 539301, 616344, 719068, 770430, 898835, 924516, 1027240, 1060920, 1078602, 1155645, 1438136, 1540860, 1617903, 1797670, 1849032, 2157204, 2311290, 2696505, 3081720, 3235806, 3595340, 4314408, 4622580, 5393010, 6471612, 7190680, 8089515, 9245160, 10786020, 12943224, 16179030, 21572040, 32358060, 64716120]

約数ペア:

[(1, 64716120), (2, 32358060), (3, 21572040), (4, 16179030), (5, 12943224), (6, 10786020), (7, 9245160), (8, 8089515), (9, 7190680), (10, 6471612), (12, 5393010), (14, 4622580), (15, 4314408), (18, 3595340), (20, 3235806), (21, 3081720), (24, 2696505), (28, 2311290), (30, 2157204), (35, 1849032), (36, 1797670), (40, 1617903), (42, 1540860), (45, 1438136), (56, 1155645), (60, 1078602), (61, 1060920), (63, 1027240), (70, 924516), (72, 898835), (84, 770430), (90, 719068), (105, 616344), (120, 539301), (122, 530460), (126, 513620), (140, 462258), (168, 385215), (180, 359534), (183, 353640), (210, 308172), (244, 265230), (252, 256810), (280, 231129), (305, 212184), (315, 205448), (360, 179767), (366, 176820), (420, 154086), (421, 153720), (427, 151560), (488, 132615), (504, 128405), (549, 117880), (610, 106092), (630, 102724), (732, 88410), (840, 77043), (842, 76860), (854, 75780), (915, 70728), (1098, 58940), (1220, 53046), (1260, 51362), (1263, 51240), (1281, 50520), (1464, 44205), (1684, 38430), (1708, 37890), (1830, 35364), (2105, 30744), (2135, 30312), (2196, 29470), (2440, 26523), (2520, 25681), (2526, 25620), (2562, 25260), (2745, 23576), (2947, 21960), (3368, 19215), (3416, 18945), (3660, 17682), (3789, 17080), (3843, 16840), (4210, 15372), (4270, 15156), (4392, 14735), (5052, 12810), (5124, 12630), (5490, 11788), (5894, 10980), (6315, 10248), (6405, 10104), (7320, 8841), (7578, 8540), (7686, 8420)]