445631940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1213}}^1$

素因数の和:1398

約数の個数: 144

約数和(自身を含む): 1466210928

約数和(自身を除く): 1020578988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 157, 180, 195, 234, 260, 314, 390, 468, 471, 585, 628, 780, 785, 942, 1170, 1213, 1413, 1570, 1884, 2041, 2340, 2355, 2426, 2826, 3140, 3639, 4082, 4710, 4852, 5652, 6065, 6123, 7065, 7278, 8164, 9420, 10205, 10917, 12130, 12246, 14130, 14556, 15769, 18195, 18369, 20410, 21834, 24260, 24492, 28260, 30615, 31538, 36390, 36738, 40820, 43668, 47307, 54585, 61230, 63076, 72780, 73476, 78845, 91845, 94614, 109170, 122460, 141921, 157690, 183690, 189228, 190441, 218340, 236535, 283842, 315380, 367380, 380882, 473070, 567684, 571323, 709605, 761764, 946140, 952205, 1142646, 1419210, 1713969, 1904410, 2285292, 2475733, 2838420, 2856615, 3427938, 3808820, 4951466, 5713230, 6855876, 7427199, 8569845, 9902932, 11426460, 12378665, 14854398, 17139690, 22281597, 24757330, 29708796, 34279380, 37135995, 44563194, 49514660, 74271990, 89126388, 111407985, 148543980, 222815970, 445631940]

約数ペア:

[(1, 445631940), (2, 222815970), (3, 148543980), (4, 111407985), (5, 89126388), (6, 74271990), (9, 49514660), (10, 44563194), (12, 37135995), (13, 34279380), (15, 29708796), (18, 24757330), (20, 22281597), (26, 17139690), (30, 14854398), (36, 12378665), (39, 11426460), (45, 9902932), (52, 8569845), (60, 7427199), (65, 6855876), (78, 5713230), (90, 4951466), (117, 3808820), (130, 3427938), (156, 2856615), (157, 2838420), (180, 2475733), (195, 2285292), (234, 1904410), (260, 1713969), (314, 1419210), (390, 1142646), (468, 952205), (471, 946140), (585, 761764), (628, 709605), (780, 571323), (785, 567684), (942, 473070), (1170, 380882), (1213, 367380), (1413, 315380), (1570, 283842), (1884, 236535), (2041, 218340), (2340, 190441), (2355, 189228), (2426, 183690), (2826, 157690), (3140, 141921), (3639, 122460), (4082, 109170), (4710, 94614), (4852, 91845), (5652, 78845), (6065, 73476), (6123, 72780), (7065, 63076), (7278, 61230), (8164, 54585), (9420, 47307), (10205, 43668), (10917, 40820), (12130, 36738), (12246, 36390), (14130, 31538), (14556, 30615), (15769, 28260), (18195, 24492), (18369, 24260), (20410, 21834)]