40905990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7451}}^1$

素因数の和:7525

約数の個数: 48

約数和(自身を含む): 108113616

約数和(自身を除く): 67207626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 7451, 14902, 22353, 37255, 44706, 67059, 74510, 111765, 134118, 223530, 335295, 454511, 670590, 909022, 1363533, 2272555, 2727066, 4090599, 4545110, 6817665, 8181198, 13635330, 20452995, 40905990]

約数ペア:

[(1, 40905990), (2, 20452995), (3, 13635330), (5, 8181198), (6, 6817665), (9, 4545110), (10, 4090599), (15, 2727066), (18, 2272555), (30, 1363533), (45, 909022), (61, 670590), (90, 454511), (122, 335295), (183, 223530), (305, 134118), (366, 111765), (549, 74510), (610, 67059), (915, 44706), (1098, 37255), (1830, 22353), (2745, 14902), (5490, 7451)]