1951560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 7056000

約数和(自身を除く): 5104440

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, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 139, 156, 180, 195, 216, 234, 260, 270, 278, 312, 351, 360, 390, 417, 468, 520, 540, 556, 585, 695, 702, 780, 834, 936, 1080, 1112, 1170, 1251, 1390, 1404, 1560, 1668, 1755, 1807, 2085, 2340, 2502, 2780, 2808, 3336, 3510, 3614, 3753, 4170, 4680, 5004, 5421, 5560, 6255, 7020, 7228, 7506, 8340, 9035, 10008, 10842, 12510, 14040, 14456, 15012, 16263, 16680, 18070, 18765, 21684, 25020, 27105, 30024, 32526, 36140, 37530, 43368, 48789, 50040, 54210, 65052, 72280, 75060, 81315, 97578, 108420, 130104, 150120, 162630, 195156, 216840, 243945, 325260, 390312, 487890, 650520, 975780, 1951560]

約数ペア:

[(1, 1951560), (2, 975780), (3, 650520), (4, 487890), (5, 390312), (6, 325260), (8, 243945), (9, 216840), (10, 195156), (12, 162630), (13, 150120), (15, 130104), (18, 108420), (20, 97578), (24, 81315), (26, 75060), (27, 72280), (30, 65052), (36, 54210), (39, 50040), (40, 48789), (45, 43368), (52, 37530), (54, 36140), (60, 32526), (65, 30024), (72, 27105), (78, 25020), (90, 21684), (104, 18765), (108, 18070), (117, 16680), (120, 16263), (130, 15012), (135, 14456), (139, 14040), (156, 12510), (180, 10842), (195, 10008), (216, 9035), (234, 8340), (260, 7506), (270, 7228), (278, 7020), (312, 6255), (351, 5560), (360, 5421), (390, 5004), (417, 4680), (468, 4170), (520, 3753), (540, 3614), (556, 3510), (585, 3336), (695, 2808), (702, 2780), (780, 2502), (834, 2340), (936, 2085), (1080, 1807), (1112, 1755), (1170, 1668), (1251, 1560), (1390, 1404)]