81430320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7219}}^1$

素因数の和:7282

約数の個数: 80

約数和(自身を含む): 257840640

約数和(自身を除く): 176410320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 7219, 11280, 14438, 21657, 28876, 36095, 43314, 57752, 72190, 86628, 108285, 115504, 144380, 173256, 216570, 288760, 339293, 346512, 433140, 577520, 678586, 866280, 1017879, 1357172, 1696465, 1732560, 2035758, 2714344, 3392930, 4071516, 5089395, 5428688, 6785860, 8143032, 10178790, 13571720, 16286064, 20357580, 27143440, 40715160, 81430320]

約数ペア:

[(1, 81430320), (2, 40715160), (3, 27143440), (4, 20357580), (5, 16286064), (6, 13571720), (8, 10178790), (10, 8143032), (12, 6785860), (15, 5428688), (16, 5089395), (20, 4071516), (24, 3392930), (30, 2714344), (40, 2035758), (47, 1732560), (48, 1696465), (60, 1357172), (80, 1017879), (94, 866280), (120, 678586), (141, 577520), (188, 433140), (235, 346512), (240, 339293), (282, 288760), (376, 216570), (470, 173256), (564, 144380), (705, 115504), (752, 108285), (940, 86628), (1128, 72190), (1410, 57752), (1880, 43314), (2256, 36095), (2820, 28876), (3760, 21657), (5640, 14438), (7219, 11280)]