209871120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51439}}^1$

素因数の和:51472

約数の個数: 80

約数和(自身を含む): 688884480

約数和(自身を除く): 479013360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 51439, 102878, 154317, 205756, 257195, 308634, 411512, 514390, 617268, 771585, 823024, 874463, 1028780, 1234536, 1543170, 1748926, 2057560, 2469072, 2623389, 3086340, 3497852, 4115120, 4372315, 5246778, 6172680, 6995704, 8744630, 10493556, 12345360, 13116945, 13991408, 17489260, 20987112, 26233890, 34978520, 41974224, 52467780, 69957040, 104935560, 209871120]

約数ペア:

[(1, 209871120), (2, 104935560), (3, 69957040), (4, 52467780), (5, 41974224), (6, 34978520), (8, 26233890), (10, 20987112), (12, 17489260), (15, 13991408), (16, 13116945), (17, 12345360), (20, 10493556), (24, 8744630), (30, 6995704), (34, 6172680), (40, 5246778), (48, 4372315), (51, 4115120), (60, 3497852), (68, 3086340), (80, 2623389), (85, 2469072), (102, 2057560), (120, 1748926), (136, 1543170), (170, 1234536), (204, 1028780), (240, 874463), (255, 823024), (272, 771585), (340, 617268), (408, 514390), (510, 411512), (680, 308634), (816, 257195), (1020, 205756), (1360, 154317), (2040, 102878), (4080, 51439)]