255508680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8221}}^1$

素因数の和:8279

約数の個数: 128

約数和(自身を含む): 899815680

約数和(自身を除く): 644307000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 8221, 10360, 15540, 16442, 24663, 31080, 32884, 41105, 49326, 57547, 65768, 82210, 98652, 115094, 123315, 164420, 172641, 197304, 230188, 246630, 287735, 304177, 328840, 345282, 460376, 493260, 575470, 608354, 690564, 863205, 912531, 986520, 1150940, 1216708, 1381128, 1520885, 1726410, 1825062, 2129239, 2301880, 2433416, 3041770, 3452820, 3650124, 4258478, 4562655, 6083540, 6387717, 6905640, 7300248, 8516956, 9125310, 10646195, 12167080, 12775434, 17033912, 18250620, 21292390, 25550868, 31938585, 36501240, 42584780, 51101736, 63877170, 85169560, 127754340, 255508680]

約数ペア:

[(1, 255508680), (2, 127754340), (3, 85169560), (4, 63877170), (5, 51101736), (6, 42584780), (7, 36501240), (8, 31938585), (10, 25550868), (12, 21292390), (14, 18250620), (15, 17033912), (20, 12775434), (21, 12167080), (24, 10646195), (28, 9125310), (30, 8516956), (35, 7300248), (37, 6905640), (40, 6387717), (42, 6083540), (56, 4562655), (60, 4258478), (70, 3650124), (74, 3452820), (84, 3041770), (105, 2433416), (111, 2301880), (120, 2129239), (140, 1825062), (148, 1726410), (168, 1520885), (185, 1381128), (210, 1216708), (222, 1150940), (259, 986520), (280, 912531), (296, 863205), (370, 690564), (420, 608354), (444, 575470), (518, 493260), (555, 460376), (740, 345282), (777, 328840), (840, 304177), (888, 287735), (1036, 246630), (1110, 230188), (1295, 197304), (1480, 172641), (1554, 164420), (2072, 123315), (2220, 115094), (2590, 98652), (3108, 82210), (3885, 65768), (4440, 57547), (5180, 49326), (6216, 41105), (7770, 32884), (8221, 31080), (10360, 24663), (15540, 16442)]