261011760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13103}}^1$

素因数の和:13202

約数の個数: 80

約数和(自身を含む): 818947584

約数和(自身を除く): 557935824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1245, 1328, 1660, 1992, 2490, 3320, 3984, 4980, 6640, 9960, 13103, 19920, 26206, 39309, 52412, 65515, 78618, 104824, 131030, 157236, 196545, 209648, 262060, 314472, 393090, 524120, 628944, 786180, 1048240, 1087549, 1572360, 2175098, 3144720, 3262647, 4350196, 5437745, 6525294, 8700392, 10875490, 13050588, 16313235, 17400784, 21750980, 26101176, 32626470, 43501960, 52202352, 65252940, 87003920, 130505880, 261011760]

約数ペア:

[(1, 261011760), (2, 130505880), (3, 87003920), (4, 65252940), (5, 52202352), (6, 43501960), (8, 32626470), (10, 26101176), (12, 21750980), (15, 17400784), (16, 16313235), (20, 13050588), (24, 10875490), (30, 8700392), (40, 6525294), (48, 5437745), (60, 4350196), (80, 3262647), (83, 3144720), (120, 2175098), (166, 1572360), (240, 1087549), (249, 1048240), (332, 786180), (415, 628944), (498, 524120), (664, 393090), (830, 314472), (996, 262060), (1245, 209648), (1328, 196545), (1660, 157236), (1992, 131030), (2490, 104824), (3320, 78618), (3984, 65515), (4980, 52412), (6640, 39309), (9960, 26206), (13103, 19920)]