81945552

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3203}}^1$

素因数の和:3268

約数の個数: 80

約数和(自身を含む): 233610048

約数和(自身を除く): 151664496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 78, 82, 104, 123, 156, 164, 208, 246, 312, 328, 492, 533, 624, 656, 984, 1066, 1599, 1968, 2132, 3198, 3203, 4264, 6396, 6406, 8528, 9609, 12792, 12812, 19218, 25584, 25624, 38436, 41639, 51248, 76872, 83278, 124917, 131323, 153744, 166556, 249834, 262646, 333112, 393969, 499668, 525292, 666224, 787938, 999336, 1050584, 1575876, 1707199, 1998672, 2101168, 3151752, 3414398, 5121597, 6303504, 6828796, 10243194, 13657592, 20486388, 27315184, 40972776, 81945552]

約数ペア:

[(1, 81945552), (2, 40972776), (3, 27315184), (4, 20486388), (6, 13657592), (8, 10243194), (12, 6828796), (13, 6303504), (16, 5121597), (24, 3414398), (26, 3151752), (39, 2101168), (41, 1998672), (48, 1707199), (52, 1575876), (78, 1050584), (82, 999336), (104, 787938), (123, 666224), (156, 525292), (164, 499668), (208, 393969), (246, 333112), (312, 262646), (328, 249834), (492, 166556), (533, 153744), (624, 131323), (656, 124917), (984, 83278), (1066, 76872), (1599, 51248), (1968, 41639), (2132, 38436), (3198, 25624), (3203, 25584), (4264, 19218), (6396, 12812), (6406, 12792), (8528, 9609)]