131021040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1889}}^1$

素因数の和:1939

約数の個数: 120

約数和(自身を含む): 431691120

約数和(自身を除く): 300670080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 340, 408, 510, 578, 680, 816, 867, 1020, 1156, 1360, 1445, 1734, 1889, 2040, 2312, 2890, 3468, 3778, 4080, 4335, 4624, 5667, 5780, 6936, 7556, 8670, 9445, 11334, 11560, 13872, 15112, 17340, 18890, 22668, 23120, 28335, 30224, 32113, 34680, 37780, 45336, 56670, 64226, 69360, 75560, 90672, 96339, 113340, 128452, 151120, 160565, 192678, 226680, 256904, 321130, 385356, 453360, 481695, 513808, 545921, 642260, 770712, 963390, 1091842, 1284520, 1541424, 1637763, 1926780, 2183684, 2569040, 2729605, 3275526, 3853560, 4367368, 5459210, 6551052, 7707120, 8188815, 8734736, 10918420, 13102104, 16377630, 21836840, 26204208, 32755260, 43673680, 65510520, 131021040]

約数ペア:

[(1, 131021040), (2, 65510520), (3, 43673680), (4, 32755260), (5, 26204208), (6, 21836840), (8, 16377630), (10, 13102104), (12, 10918420), (15, 8734736), (16, 8188815), (17, 7707120), (20, 6551052), (24, 5459210), (30, 4367368), (34, 3853560), (40, 3275526), (48, 2729605), (51, 2569040), (60, 2183684), (68, 1926780), (80, 1637763), (85, 1541424), (102, 1284520), (120, 1091842), (136, 963390), (170, 770712), (204, 642260), (240, 545921), (255, 513808), (272, 481695), (289, 453360), (340, 385356), (408, 321130), (510, 256904), (578, 226680), (680, 192678), (816, 160565), (867, 151120), (1020, 128452), (1156, 113340), (1360, 96339), (1445, 90672), (1734, 75560), (1889, 69360), (2040, 64226), (2312, 56670), (2890, 45336), (3468, 37780), (3778, 34680), (4080, 32113), (4335, 30224), (4624, 28335), (5667, 23120), (5780, 22668), (6936, 18890), (7556, 17340), (8670, 15112), (9445, 13872), (11334, 11560)]