1263768320

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31849}}^1$

素因数の和:31901

約数の個数: 72

約数和(自身を含む): 3124867200

約数和(自身を除く): 1861098880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 31849, 39680, 63698, 127396, 159245, 254792, 318490, 509584, 636980, 987319, 1019168, 1273960, 1974638, 2038336, 2547920, 3949276, 4076672, 4936595, 5095840, 7898552, 8153344, 9873190, 10191680, 15797104, 19746380, 20383360, 31594208, 39492760, 40766720, 63188416, 78985520, 126376832, 157971040, 252753664, 315942080, 631884160, 1263768320]

約数ペア:

[(1, 1263768320), (2, 631884160), (4, 315942080), (5, 252753664), (8, 157971040), (10, 126376832), (16, 78985520), (20, 63188416), (31, 40766720), (32, 39492760), (40, 31594208), (62, 20383360), (64, 19746380), (80, 15797104), (124, 10191680), (128, 9873190), (155, 8153344), (160, 7898552), (248, 5095840), (256, 4936595), (310, 4076672), (320, 3949276), (496, 2547920), (620, 2038336), (640, 1974638), (992, 1273960), (1240, 1019168), (1280, 987319), (1984, 636980), (2480, 509584), (3968, 318490), (4960, 254792), (7936, 159245), (9920, 127396), (19840, 63698), (31849, 39680)]