490219920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{680861}}^1$

素因数の和:680880

約数の個数: 60

約数和(自身を含む): 1646324316

約数和(自身を除く): 1156104396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 680861, 1361722, 2042583, 2723444, 3404305, 4085166, 5446888, 6127749, 6808610, 8170332, 10212915, 10893776, 12255498, 13617220, 16340664, 20425830, 24510996, 27234440, 30638745, 32681328, 40851660, 49021992, 54468880, 61277490, 81703320, 98043984, 122554980, 163406640, 245109960, 490219920]

約数ペア:

[(1, 490219920), (2, 245109960), (3, 163406640), (4, 122554980), (5, 98043984), (6, 81703320), (8, 61277490), (9, 54468880), (10, 49021992), (12, 40851660), (15, 32681328), (16, 30638745), (18, 27234440), (20, 24510996), (24, 20425830), (30, 16340664), (36, 13617220), (40, 12255498), (45, 10893776), (48, 10212915), (60, 8170332), (72, 6808610), (80, 6127749), (90, 5446888), (120, 4085166), (144, 3404305), (180, 2723444), (240, 2042583), (360, 1361722), (720, 680861)]