51221970

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 140107968

約数和(自身を除く): 88885998

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 107, 135, 162, 197, 214, 243, 270, 321, 394, 405, 486, 535, 591, 642, 810, 963, 985, 1070, 1182, 1215, 1605, 1773, 1926, 1970, 2430, 2889, 2955, 3210, 3546, 4815, 5319, 5778, 5910, 8667, 8865, 9630, 10638, 14445, 15957, 17334, 17730, 21079, 26001, 26595, 28890, 31914, 42158, 43335, 47871, 52002, 53190, 63237, 79785, 86670, 95742, 105395, 126474, 130005, 159570, 189711, 210790, 239355, 260010, 316185, 379422, 478710, 569133, 632370, 948555, 1138266, 1707399, 1897110, 2845665, 3414798, 5122197, 5691330, 8536995, 10244394, 17073990, 25610985, 51221970]

約数ペア:

[(1, 51221970), (2, 25610985), (3, 17073990), (5, 10244394), (6, 8536995), (9, 5691330), (10, 5122197), (15, 3414798), (18, 2845665), (27, 1897110), (30, 1707399), (45, 1138266), (54, 948555), (81, 632370), (90, 569133), (107, 478710), (135, 379422), (162, 316185), (197, 260010), (214, 239355), (243, 210790), (270, 189711), (321, 159570), (394, 130005), (405, 126474), (486, 105395), (535, 95742), (591, 86670), (642, 79785), (810, 63237), (963, 53190), (985, 52002), (1070, 47871), (1182, 43335), (1215, 42158), (1605, 31914), (1773, 28890), (1926, 26595), (1970, 26001), (2430, 21079), (2889, 17730), (2955, 17334), (3210, 15957), (3546, 14445), (4815, 10638), (5319, 9630), (5778, 8865), (5910, 8667)]