81970920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1160

約数の個数: 128

約数和(自身を含む): 277344000

約数和(自身を除く): 195373080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1065, 1069, 1080, 1278, 1420, 1704, 1917, 2130, 2138, 2556, 2840, 3195, 3207, 3834, 4260, 4276, 5112, 5345, 6390, 6414, 7668, 8520, 8552, 9585, 9621, 10690, 12780, 12828, 15336, 16035, 19170, 19242, 21380, 25560, 25656, 28863, 32070, 38340, 38484, 42760, 48105, 57726, 64140, 75899, 76680, 76968, 96210, 115452, 128280, 144315, 151798, 192420, 227697, 230904, 288630, 303596, 379495, 384840, 455394, 577260, 607192, 683091, 758990, 910788, 1138485, 1154520, 1366182, 1517980, 1821576, 2049273, 2276970, 2732364, 3035960, 3415455, 4098546, 4553940, 5464728, 6830910, 8197092, 9107880, 10246365, 13661820, 16394184, 20492730, 27323640, 40985460, 81970920]

約数ペア:

[(1, 81970920), (2, 40985460), (3, 27323640), (4, 20492730), (5, 16394184), (6, 13661820), (8, 10246365), (9, 9107880), (10, 8197092), (12, 6830910), (15, 5464728), (18, 4553940), (20, 4098546), (24, 3415455), (27, 3035960), (30, 2732364), (36, 2276970), (40, 2049273), (45, 1821576), (54, 1517980), (60, 1366182), (71, 1154520), (72, 1138485), (90, 910788), (108, 758990), (120, 683091), (135, 607192), (142, 577260), (180, 455394), (213, 384840), (216, 379495), (270, 303596), (284, 288630), (355, 230904), (360, 227697), (426, 192420), (540, 151798), (568, 144315), (639, 128280), (710, 115452), (852, 96210), (1065, 76968), (1069, 76680), (1080, 75899), (1278, 64140), (1420, 57726), (1704, 48105), (1917, 42760), (2130, 38484), (2138, 38340), (2556, 32070), (2840, 28863), (3195, 25656), (3207, 25560), (3834, 21380), (4260, 19242), (4276, 19170), (5112, 16035), (5345, 15336), (6390, 12828), (6414, 12780), (7668, 10690), (8520, 9621), (8552, 9585)]