61791990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 112390410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 31, 38, 39, 57, 62, 65, 78, 93, 95, 114, 130, 155, 186, 190, 195, 247, 269, 285, 310, 390, 403, 465, 494, 538, 570, 589, 741, 806, 807, 930, 1178, 1209, 1235, 1345, 1482, 1614, 1767, 2015, 2418, 2470, 2690, 2945, 3497, 3534, 3705, 4030, 4035, 5111, 5890, 6045, 6994, 7410, 7657, 8070, 8339, 8835, 10222, 10491, 12090, 15314, 15333, 16678, 17485, 17670, 20982, 22971, 25017, 25555, 30666, 34970, 38285, 41695, 45942, 50034, 51110, 52455, 66443, 76570, 76665, 83390, 104910, 108407, 114855, 125085, 132886, 153330, 158441, 199329, 216814, 229710, 250170, 316882, 325221, 332215, 398658, 475323, 542035, 650442, 664430, 792205, 950646, 996645, 1084070, 1584410, 1626105, 1993290, 2059733, 2376615, 3252210, 4119466, 4753230, 6179199, 10298665, 12358398, 20597330, 30895995, 61791990]

約数ペア:

[(1, 61791990), (2, 30895995), (3, 20597330), (5, 12358398), (6, 10298665), (10, 6179199), (13, 4753230), (15, 4119466), (19, 3252210), (26, 2376615), (30, 2059733), (31, 1993290), (38, 1626105), (39, 1584410), (57, 1084070), (62, 996645), (65, 950646), (78, 792205), (93, 664430), (95, 650442), (114, 542035), (130, 475323), (155, 398658), (186, 332215), (190, 325221), (195, 316882), (247, 250170), (269, 229710), (285, 216814), (310, 199329), (390, 158441), (403, 153330), (465, 132886), (494, 125085), (538, 114855), (570, 108407), (589, 104910), (741, 83390), (806, 76665), (807, 76570), (930, 66443), (1178, 52455), (1209, 51110), (1235, 50034), (1345, 45942), (1482, 41695), (1614, 38285), (1767, 34970), (2015, 30666), (2418, 25555), (2470, 25017), (2690, 22971), (2945, 20982), (3497, 17670), (3534, 17485), (3705, 16678), (4030, 15333), (4035, 15314), (5111, 12090), (5890, 10491), (6045, 10222), (6994, 8835), (7410, 8339), (7657, 8070)]