81843660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 264648384

約数和(自身を除く): 182804724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 53, 60, 69, 90, 92, 106, 115, 138, 159, 180, 207, 212, 230, 265, 276, 318, 345, 373, 414, 460, 477, 530, 636, 690, 746, 795, 828, 954, 1035, 1060, 1119, 1219, 1380, 1492, 1590, 1865, 1908, 2070, 2238, 2385, 2438, 3180, 3357, 3657, 3730, 4140, 4476, 4770, 4876, 5595, 6095, 6714, 7314, 7460, 8579, 9540, 10971, 11190, 12190, 13428, 14628, 16785, 17158, 18285, 19769, 21942, 22380, 24380, 25737, 33570, 34316, 36570, 39538, 42895, 43884, 51474, 54855, 59307, 67140, 73140, 77211, 79076, 85790, 98845, 102948, 109710, 118614, 128685, 154422, 171580, 177921, 197690, 219420, 237228, 257370, 296535, 308844, 355842, 386055, 395380, 454687, 514740, 593070, 711684, 772110, 889605, 909374, 1186140, 1364061, 1544220, 1779210, 1818748, 2273435, 2728122, 3558420, 4092183, 4546870, 5456244, 6820305, 8184366, 9093740, 13640610, 16368732, 20460915, 27281220, 40921830, 81843660]

約数ペア:

[(1, 81843660), (2, 40921830), (3, 27281220), (4, 20460915), (5, 16368732), (6, 13640610), (9, 9093740), (10, 8184366), (12, 6820305), (15, 5456244), (18, 4546870), (20, 4092183), (23, 3558420), (30, 2728122), (36, 2273435), (45, 1818748), (46, 1779210), (53, 1544220), (60, 1364061), (69, 1186140), (90, 909374), (92, 889605), (106, 772110), (115, 711684), (138, 593070), (159, 514740), (180, 454687), (207, 395380), (212, 386055), (230, 355842), (265, 308844), (276, 296535), (318, 257370), (345, 237228), (373, 219420), (414, 197690), (460, 177921), (477, 171580), (530, 154422), (636, 128685), (690, 118614), (746, 109710), (795, 102948), (828, 98845), (954, 85790), (1035, 79076), (1060, 77211), (1119, 73140), (1219, 67140), (1380, 59307), (1492, 54855), (1590, 51474), (1865, 43884), (1908, 42895), (2070, 39538), (2238, 36570), (2385, 34316), (2438, 33570), (3180, 25737), (3357, 24380), (3657, 22380), (3730, 21942), (4140, 19769), (4476, 18285), (4770, 17158), (4876, 16785), (5595, 14628), (6095, 13428), (6714, 12190), (7314, 11190), (7460, 10971), (8579, 9540)]