65738480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 163754400

約数和(自身を除く): 98015920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 709, 760, 976, 1159, 1220, 1418, 1520, 2318, 2440, 2836, 3545, 4636, 4880, 5672, 5795, 7090, 9272, 11344, 11590, 13471, 14180, 18544, 23180, 26942, 28360, 43249, 46360, 53884, 56720, 67355, 86498, 92720, 107768, 134710, 172996, 215536, 216245, 269420, 345992, 432490, 538840, 691984, 821731, 864980, 1077680, 1643462, 1729960, 3286924, 3459920, 4108655, 6573848, 8217310, 13147696, 16434620, 32869240, 65738480]

約数ペア:

[(1, 65738480), (2, 32869240), (4, 16434620), (5, 13147696), (8, 8217310), (10, 6573848), (16, 4108655), (19, 3459920), (20, 3286924), (38, 1729960), (40, 1643462), (61, 1077680), (76, 864980), (80, 821731), (95, 691984), (122, 538840), (152, 432490), (190, 345992), (244, 269420), (304, 216245), (305, 215536), (380, 172996), (488, 134710), (610, 107768), (709, 92720), (760, 86498), (976, 67355), (1159, 56720), (1220, 53884), (1418, 46360), (1520, 43249), (2318, 28360), (2440, 26942), (2836, 23180), (3545, 18544), (4636, 14180), (4880, 13471), (5672, 11590), (5795, 11344), (7090, 9272)]