201520890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131713}}^1$

素因数の和:131743

約数の個数: 48

約数和(自身を含む): 554779368

約数和(自身を除く): 353258478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 131713, 263426, 395139, 658565, 790278, 1185417, 1317130, 1975695, 2239121, 2370834, 3951390, 4478242, 5927085, 6717363, 11195605, 11854170, 13434726, 20152089, 22391210, 33586815, 40304178, 67173630, 100760445, 201520890]

約数ペア:

[(1, 201520890), (2, 100760445), (3, 67173630), (5, 40304178), (6, 33586815), (9, 22391210), (10, 20152089), (15, 13434726), (17, 11854170), (18, 11195605), (30, 6717363), (34, 5927085), (45, 4478242), (51, 3951390), (85, 2370834), (90, 2239121), (102, 1975695), (153, 1317130), (170, 1185417), (255, 790278), (306, 658565), (510, 395139), (765, 263426), (1530, 131713)]