856440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:94

約数の個数: 128

約数和(自身を含む): 3124800

約数和(自身を除く): 2268360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 61, 65, 72, 78, 90, 104, 108, 117, 120, 122, 130, 135, 156, 180, 183, 195, 216, 234, 244, 260, 270, 305, 312, 351, 360, 366, 390, 468, 488, 520, 540, 549, 585, 610, 702, 732, 780, 793, 915, 936, 1080, 1098, 1170, 1220, 1404, 1464, 1560, 1586, 1647, 1755, 1830, 2196, 2340, 2379, 2440, 2745, 2808, 3172, 3294, 3510, 3660, 3965, 4392, 4680, 4758, 5490, 6344, 6588, 7020, 7137, 7320, 7930, 8235, 9516, 10980, 11895, 13176, 14040, 14274, 15860, 16470, 19032, 21411, 21960, 23790, 28548, 31720, 32940, 35685, 42822, 47580, 57096, 65880, 71370, 85644, 95160, 107055, 142740, 171288, 214110, 285480, 428220, 856440]

約数ペア:

[(1, 856440), (2, 428220), (3, 285480), (4, 214110), (5, 171288), (6, 142740), (8, 107055), (9, 95160), (10, 85644), (12, 71370), (13, 65880), (15, 57096), (18, 47580), (20, 42822), (24, 35685), (26, 32940), (27, 31720), (30, 28548), (36, 23790), (39, 21960), (40, 21411), (45, 19032), (52, 16470), (54, 15860), (60, 14274), (61, 14040), (65, 13176), (72, 11895), (78, 10980), (90, 9516), (104, 8235), (108, 7930), (117, 7320), (120, 7137), (122, 7020), (130, 6588), (135, 6344), (156, 5490), (180, 4758), (183, 4680), (195, 4392), (216, 3965), (234, 3660), (244, 3510), (260, 3294), (270, 3172), (305, 2808), (312, 2745), (351, 2440), (360, 2379), (366, 2340), (390, 2196), (468, 1830), (488, 1755), (520, 1647), (540, 1586), (549, 1560), (585, 1464), (610, 1404), (702, 1220), (732, 1170), (780, 1098), (793, 1080), (915, 936)]