128531250

素因数分解:

$2^1\times 3^2\times 5^6\times {\mathrm{457}}^1$

素因数の和:495

約数の個数: 84

約数和(自身を含む): 348862722

約数和(自身を除く): 220331472

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 457, 625, 750, 914, 1125, 1250, 1371, 1875, 2250, 2285, 2742, 3125, 3750, 4113, 4570, 5625, 6250, 6855, 8226, 9375, 11250, 11425, 13710, 15625, 18750, 20565, 22850, 28125, 31250, 34275, 41130, 46875, 56250, 57125, 68550, 93750, 102825, 114250, 140625, 171375, 205650, 281250, 285625, 342750, 514125, 571250, 856875, 1028250, 1428125, 1713750, 2570625, 2856250, 4284375, 5141250, 7140625, 8568750, 12853125, 14281250, 21421875, 25706250, 42843750, 64265625, 128531250]

約数ペア:

[(1, 128531250), (2, 64265625), (3, 42843750), (5, 25706250), (6, 21421875), (9, 14281250), (10, 12853125), (15, 8568750), (18, 7140625), (25, 5141250), (30, 4284375), (45, 2856250), (50, 2570625), (75, 1713750), (90, 1428125), (125, 1028250), (150, 856875), (225, 571250), (250, 514125), (375, 342750), (450, 285625), (457, 281250), (625, 205650), (750, 171375), (914, 140625), (1125, 114250), (1250, 102825), (1371, 93750), (1875, 68550), (2250, 57125), (2285, 56250), (2742, 46875), (3125, 41130), (3750, 34275), (4113, 31250), (4570, 28125), (5625, 22850), (6250, 20565), (6855, 18750), (8226, 15625), (9375, 13710), (11250, 11425)]