71978868

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:795

約数の個数: 120

約数和(自身を含む): 211736448

約数和(自身を除く): 139757580

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 81, 92, 108, 117, 138, 156, 162, 207, 234, 276, 299, 324, 351, 414, 468, 598, 621, 702, 743, 828, 897, 1053, 1196, 1242, 1404, 1486, 1794, 1863, 2106, 2229, 2484, 2691, 2972, 3588, 3726, 4212, 4458, 5382, 6687, 7452, 8073, 8916, 9659, 10764, 13374, 16146, 17089, 19318, 20061, 24219, 26748, 28977, 32292, 34178, 38636, 40122, 48438, 51267, 57954, 60183, 68356, 80244, 86931, 96876, 102534, 115908, 120366, 153801, 173862, 205068, 222157, 240732, 260793, 307602, 347724, 444314, 461403, 521586, 615204, 666471, 782379, 888628, 922806, 1043172, 1332942, 1384209, 1564758, 1845612, 1999413, 2665884, 2768418, 3129516, 3998826, 5536836, 5998239, 7997652, 11996478, 17994717, 23992956, 35989434, 71978868]

約数ペア:

[(1, 71978868), (2, 35989434), (3, 23992956), (4, 17994717), (6, 11996478), (9, 7997652), (12, 5998239), (13, 5536836), (18, 3998826), (23, 3129516), (26, 2768418), (27, 2665884), (36, 1999413), (39, 1845612), (46, 1564758), (52, 1384209), (54, 1332942), (69, 1043172), (78, 922806), (81, 888628), (92, 782379), (108, 666471), (117, 615204), (138, 521586), (156, 461403), (162, 444314), (207, 347724), (234, 307602), (276, 260793), (299, 240732), (324, 222157), (351, 205068), (414, 173862), (468, 153801), (598, 120366), (621, 115908), (702, 102534), (743, 96876), (828, 86931), (897, 80244), (1053, 68356), (1196, 60183), (1242, 57954), (1404, 51267), (1486, 48438), (1794, 40122), (1863, 38636), (2106, 34178), (2229, 32292), (2484, 28977), (2691, 26748), (2972, 24219), (3588, 20061), (3726, 19318), (4212, 17089), (4458, 16146), (5382, 13374), (6687, 10764), (7452, 9659), (8073, 8916)]