1284660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:95

約数の個数: 120

約数和(自身を含む): 4411176

約数和(自身を除く): 3126516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 61, 65, 78, 81, 90, 108, 117, 122, 130, 135, 156, 162, 180, 183, 195, 234, 244, 260, 270, 305, 324, 351, 366, 390, 405, 468, 540, 549, 585, 610, 702, 732, 780, 793, 810, 915, 1053, 1098, 1170, 1220, 1404, 1586, 1620, 1647, 1755, 1830, 2106, 2196, 2340, 2379, 2745, 3172, 3294, 3510, 3660, 3965, 4212, 4758, 4941, 5265, 5490, 6588, 7020, 7137, 7930, 8235, 9516, 9882, 10530, 10980, 11895, 14274, 15860, 16470, 19764, 21060, 21411, 23790, 24705, 28548, 32940, 35685, 42822, 47580, 49410, 64233, 71370, 85644, 98820, 107055, 128466, 142740, 214110, 256932, 321165, 428220, 642330, 1284660]

約数ペア:

[(1, 1284660), (2, 642330), (3, 428220), (4, 321165), (5, 256932), (6, 214110), (9, 142740), (10, 128466), (12, 107055), (13, 98820), (15, 85644), (18, 71370), (20, 64233), (26, 49410), (27, 47580), (30, 42822), (36, 35685), (39, 32940), (45, 28548), (52, 24705), (54, 23790), (60, 21411), (61, 21060), (65, 19764), (78, 16470), (81, 15860), (90, 14274), (108, 11895), (117, 10980), (122, 10530), (130, 9882), (135, 9516), (156, 8235), (162, 7930), (180, 7137), (183, 7020), (195, 6588), (234, 5490), (244, 5265), (260, 4941), (270, 4758), (305, 4212), (324, 3965), (351, 3660), (366, 3510), (390, 3294), (405, 3172), (468, 2745), (540, 2379), (549, 2340), (585, 2196), (610, 2106), (702, 1830), (732, 1755), (780, 1647), (793, 1620), (810, 1586), (915, 1404), (1053, 1220), (1098, 1170)]