490990320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{681931}}^1$

素因数の和:681950

約数の個数: 60

約数和(自身を含む): 1648911576

約数和(自身を除く): 1157921256

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, 681931, 1363862, 2045793, 2727724, 3409655, 4091586, 5455448, 6137379, 6819310, 8183172, 10228965, 10910896, 12274758, 13638620, 16366344, 20457930, 24549516, 27277240, 30686895, 32732688, 40915860, 49099032, 54554480, 61373790, 81831720, 98198064, 122747580, 163663440, 245495160, 490990320]

約数ペア:

[(1, 490990320), (2, 245495160), (3, 163663440), (4, 122747580), (5, 98198064), (6, 81831720), (8, 61373790), (9, 54554480), (10, 49099032), (12, 40915860), (15, 32732688), (16, 30686895), (18, 27277240), (20, 24549516), (24, 20457930), (30, 16366344), (36, 13638620), (40, 12274758), (45, 10910896), (48, 10228965), (60, 8183172), (72, 6819310), (80, 6137379), (90, 5455448), (120, 4091586), (144, 3409655), (180, 2727724), (240, 2045793), (360, 1363862), (720, 681931)]