189972120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2591}}^1$

素因数の和:2665

約数の個数: 128

約数和(自身を含む): 627056640

約数和(自身を除く): 437084520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 376, 390, 470, 520, 564, 611, 705, 780, 940, 1128, 1222, 1410, 1560, 1833, 1880, 2444, 2591, 2820, 3055, 3666, 4888, 5182, 5640, 6110, 7332, 7773, 9165, 10364, 12220, 12955, 14664, 15546, 18330, 20728, 24440, 25910, 31092, 33683, 36660, 38865, 51820, 62184, 67366, 73320, 77730, 101049, 103640, 121777, 134732, 155460, 168415, 202098, 243554, 269464, 310920, 336830, 365331, 404196, 487108, 505245, 608885, 673660, 730662, 808392, 974216, 1010490, 1217770, 1347320, 1461324, 1583101, 1826655, 2020980, 2435540, 2922648, 3166202, 3653310, 4041960, 4749303, 4871080, 6332404, 7306620, 7915505, 9498606, 12664808, 14613240, 15831010, 18997212, 23746515, 31662020, 37994424, 47493030, 63324040, 94986060, 189972120]

約数ペア:

[(1, 189972120), (2, 94986060), (3, 63324040), (4, 47493030), (5, 37994424), (6, 31662020), (8, 23746515), (10, 18997212), (12, 15831010), (13, 14613240), (15, 12664808), (20, 9498606), (24, 7915505), (26, 7306620), (30, 6332404), (39, 4871080), (40, 4749303), (47, 4041960), (52, 3653310), (60, 3166202), (65, 2922648), (78, 2435540), (94, 2020980), (104, 1826655), (120, 1583101), (130, 1461324), (141, 1347320), (156, 1217770), (188, 1010490), (195, 974216), (235, 808392), (260, 730662), (282, 673660), (312, 608885), (376, 505245), (390, 487108), (470, 404196), (520, 365331), (564, 336830), (611, 310920), (705, 269464), (780, 243554), (940, 202098), (1128, 168415), (1222, 155460), (1410, 134732), (1560, 121777), (1833, 103640), (1880, 101049), (2444, 77730), (2591, 73320), (2820, 67366), (3055, 62184), (3666, 51820), (4888, 38865), (5182, 36660), (5640, 33683), (6110, 31092), (7332, 25910), (7773, 24440), (9165, 20728), (10364, 18330), (12220, 15546), (12955, 14664)]