420142725

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4273}}^1$

素因数の和:4331

約数の個数: 72

約数和(自身を含む): 826762560

約数和(自身を除く): 406619835

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 45, 57, 69, 75, 95, 115, 171, 207, 225, 285, 345, 437, 475, 575, 855, 1035, 1311, 1425, 1725, 2185, 3933, 4273, 4275, 5175, 6555, 10925, 12819, 19665, 21365, 32775, 38457, 64095, 81187, 98279, 98325, 106825, 192285, 243561, 294837, 320475, 405935, 491395, 730683, 884511, 961425, 1217805, 1474185, 1867301, 2029675, 2456975, 3653415, 4422555, 5601903, 6089025, 7370925, 9336505, 16805709, 18267075, 22112775, 28009515, 46682525, 84028545, 140047575, 420142725]

約数ペア:

[(1, 420142725), (3, 140047575), (5, 84028545), (9, 46682525), (15, 28009515), (19, 22112775), (23, 18267075), (25, 16805709), (45, 9336505), (57, 7370925), (69, 6089025), (75, 5601903), (95, 4422555), (115, 3653415), (171, 2456975), (207, 2029675), (225, 1867301), (285, 1474185), (345, 1217805), (437, 961425), (475, 884511), (575, 730683), (855, 491395), (1035, 405935), (1311, 320475), (1425, 294837), (1725, 243561), (2185, 192285), (3933, 106825), (4273, 98325), (4275, 98279), (5175, 81187), (6555, 64095), (10925, 38457), (12819, 32775), (19665, 21365)]