81720330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{467}}^1$

素因数の和:803

約数の個数: 64

約数和(自身を含む): 207567360

約数和(自身を除く): 125847030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 307, 467, 570, 614, 921, 934, 1401, 1535, 1842, 2335, 2802, 3070, 4605, 4670, 5833, 7005, 8873, 9210, 11666, 14010, 17499, 17746, 26619, 29165, 34998, 44365, 53238, 58330, 87495, 88730, 133095, 143369, 174990, 266190, 286738, 430107, 716845, 860214, 1433690, 2150535, 2724011, 4301070, 5448022, 8172033, 13620055, 16344066, 27240110, 40860165, 81720330]

約数ペア:

[(1, 81720330), (2, 40860165), (3, 27240110), (5, 16344066), (6, 13620055), (10, 8172033), (15, 5448022), (19, 4301070), (30, 2724011), (38, 2150535), (57, 1433690), (95, 860214), (114, 716845), (190, 430107), (285, 286738), (307, 266190), (467, 174990), (570, 143369), (614, 133095), (921, 88730), (934, 87495), (1401, 58330), (1535, 53238), (1842, 44365), (2335, 34998), (2802, 29165), (3070, 26619), (4605, 17746), (4670, 17499), (5833, 14010), (7005, 11666), (8873, 9210)]