156970732420

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^2\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 332850530880

約数和(自身を除く): 175879798460

約数列:

[1, 2, 4, 5, 10, 20, 257, 331, 359, 514, 662, 718, 1028, 1285, 1324, 1436, 1655, 1795, 2570, 3310, 3590, 5140, 6620, 7180, 66049, 85067, 92263, 118829, 132098, 170134, 184526, 237658, 264196, 330245, 340268, 369052, 425335, 461315, 475316, 594145, 660490, 850670, 922630, 1188290, 1320980, 1701340, 1845260, 2376580, 21862219, 23711591, 30539053, 43724438, 47423182, 61078106, 87448876, 94846364, 109311095, 118557955, 122156212, 152695265, 218622190, 237115910, 305390530, 437244380, 474231820, 610781060, 7848536621, 15697073242, 31394146484, 39242683105, 78485366210, 156970732420]

約数ペア:

[(1, 156970732420), (2, 78485366210), (4, 39242683105), (5, 31394146484), (10, 15697073242), (20, 7848536621), (257, 610781060), (331, 474231820), (359, 437244380), (514, 305390530), (662, 237115910), (718, 218622190), (1028, 152695265), (1285, 122156212), (1324, 118557955), (1436, 109311095), (1655, 94846364), (1795, 87448876), (2570, 61078106), (3310, 47423182), (3590, 43724438), (5140, 30539053), (6620, 23711591), (7180, 21862219), (66049, 2376580), (85067, 1845260), (92263, 1701340), (118829, 1320980), (132098, 1188290), (170134, 922630), (184526, 850670), (237658, 660490), (264196, 594145), (330245, 475316), (340268, 461315), (369052, 425335)]