64643880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1877}}^1$

素因数の和:1939

約数の個数: 128

約数和(自身を含む): 227162880

約数和(自身を除く): 162519000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 1877, 2296, 2460, 2870, 3444, 3754, 4305, 4920, 5631, 5740, 6888, 7508, 8610, 9385, 11262, 11480, 13139, 15016, 17220, 18770, 22524, 26278, 28155, 34440, 37540, 39417, 45048, 52556, 56310, 65695, 75080, 76957, 78834, 105112, 112620, 131390, 153914, 157668, 197085, 225240, 230871, 262780, 307828, 315336, 384785, 394170, 461742, 525560, 538699, 615656, 769570, 788340, 923484, 1077398, 1154355, 1539140, 1576680, 1616097, 1846968, 2154796, 2308710, 2693495, 3078280, 3232194, 4309592, 4617420, 5386990, 6464388, 8080485, 9234840, 10773980, 12928776, 16160970, 21547960, 32321940, 64643880]

約数ペア:

[(1, 64643880), (2, 32321940), (3, 21547960), (4, 16160970), (5, 12928776), (6, 10773980), (7, 9234840), (8, 8080485), (10, 6464388), (12, 5386990), (14, 4617420), (15, 4309592), (20, 3232194), (21, 3078280), (24, 2693495), (28, 2308710), (30, 2154796), (35, 1846968), (40, 1616097), (41, 1576680), (42, 1539140), (56, 1154355), (60, 1077398), (70, 923484), (82, 788340), (84, 769570), (105, 615656), (120, 538699), (123, 525560), (140, 461742), (164, 394170), (168, 384785), (205, 315336), (210, 307828), (246, 262780), (280, 230871), (287, 225240), (328, 197085), (410, 157668), (420, 153914), (492, 131390), (574, 112620), (615, 105112), (820, 78834), (840, 76957), (861, 75080), (984, 65695), (1148, 56310), (1230, 52556), (1435, 45048), (1640, 39417), (1722, 37540), (1877, 34440), (2296, 28155), (2460, 26278), (2870, 22524), (3444, 18770), (3754, 17220), (4305, 15016), (4920, 13139), (5631, 11480), (5740, 11262), (6888, 9385), (7508, 8610)]