771711720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{494687}}^1$

素因数の和:494714

約数の個数: 64

約数和(自身を含む): 2493227520

約数和(自身を除く): 1721515800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 494687, 989374, 1484061, 1978748, 2473435, 2968122, 3957496, 4946870, 5936244, 6430931, 7420305, 9893740, 11872488, 12861862, 14840610, 19292793, 19787480, 25723724, 29681220, 32154655, 38585586, 51447448, 59362440, 64309310, 77171172, 96463965, 128618620, 154342344, 192927930, 257237240, 385855860, 771711720]

約数ペア:

[(1, 771711720), (2, 385855860), (3, 257237240), (4, 192927930), (5, 154342344), (6, 128618620), (8, 96463965), (10, 77171172), (12, 64309310), (13, 59362440), (15, 51447448), (20, 38585586), (24, 32154655), (26, 29681220), (30, 25723724), (39, 19787480), (40, 19292793), (52, 14840610), (60, 12861862), (65, 11872488), (78, 9893740), (104, 7420305), (120, 6430931), (130, 5936244), (156, 4946870), (195, 3957496), (260, 2968122), (312, 2473435), (390, 1978748), (520, 1484061), (780, 989374), (1560, 494687)]