61574680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 159252480

約数和(自身を除く): 97677800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 31, 34, 40, 46, 62, 68, 85, 92, 115, 124, 127, 136, 155, 170, 184, 230, 248, 254, 310, 340, 391, 460, 508, 527, 620, 635, 680, 713, 782, 920, 1016, 1054, 1240, 1270, 1426, 1564, 1955, 2108, 2159, 2540, 2635, 2852, 2921, 3128, 3565, 3910, 3937, 4216, 4318, 5080, 5270, 5704, 5842, 7130, 7820, 7874, 8636, 10540, 10795, 11684, 12121, 14260, 14605, 15640, 15748, 17272, 19685, 21080, 21590, 23368, 24242, 28520, 29210, 31496, 39370, 43180, 48484, 49657, 58420, 60605, 66929, 78740, 86360, 90551, 96968, 99314, 116840, 121210, 133858, 157480, 181102, 198628, 242420, 248285, 267716, 334645, 362204, 397256, 452755, 484840, 496570, 535432, 669290, 724408, 905510, 993140, 1338580, 1539367, 1811020, 1986280, 2677160, 3078734, 3622040, 6157468, 7696835, 12314936, 15393670, 30787340, 61574680]

約数ペア:

[(1, 61574680), (2, 30787340), (4, 15393670), (5, 12314936), (8, 7696835), (10, 6157468), (17, 3622040), (20, 3078734), (23, 2677160), (31, 1986280), (34, 1811020), (40, 1539367), (46, 1338580), (62, 993140), (68, 905510), (85, 724408), (92, 669290), (115, 535432), (124, 496570), (127, 484840), (136, 452755), (155, 397256), (170, 362204), (184, 334645), (230, 267716), (248, 248285), (254, 242420), (310, 198628), (340, 181102), (391, 157480), (460, 133858), (508, 121210), (527, 116840), (620, 99314), (635, 96968), (680, 90551), (713, 86360), (782, 78740), (920, 66929), (1016, 60605), (1054, 58420), (1240, 49657), (1270, 48484), (1426, 43180), (1564, 39370), (1955, 31496), (2108, 29210), (2159, 28520), (2540, 24242), (2635, 23368), (2852, 21590), (2921, 21080), (3128, 19685), (3565, 17272), (3910, 15748), (3937, 15640), (4216, 14605), (4318, 14260), (5080, 12121), (5270, 11684), (5704, 10795), (5842, 10540), (7130, 8636), (7820, 7874)]