329197223680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{638177}}^1$

素因数の和:638242

約数の個数: 144

約数和(自身を含む): 876580879104

約数和(自身を除く): 547383655424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 7936, 8060, 8320, 9920, 12896, 16120, 16640, 19840, 25792, 32240, 39680, 51584, 64480, 103168, 128960, 257920, 515840, 638177, 1276354, 2552708, 3190885, 5105416, 6381770, 8296301, 10210832, 12763540, 16592602, 19783487, 20421664, 25527080, 33185204, 39566974, 40843328, 41481505, 51054160, 66370408, 79133948, 81686656, 82963010, 98917435, 102108320, 132740816, 158267896, 163373312, 165926020, 197834870, 204216640, 257185331, 265481632, 316535792, 331852040, 395669740, 408433280, 514370662, 530963264, 633071584, 663704080, 791339480, 816866560, 1028741324, 1061926528, 1266143168, 1285926655, 1327408160, 1582678960, 2057482648, 2123853056, 2532286336, 2571853310, 2654816320, 3165357920, 4114965296, 5064572672, 5143706620, 5309632640, 6330715840, 8229930592, 10287413240, 10619265280, 12661431680, 16459861184, 20574826480, 25322863360, 32919722368, 41149652960, 65839444736, 82299305920, 164598611840, 329197223680]

約数ペア:

[(1, 329197223680), (2, 164598611840), (4, 82299305920), (5, 65839444736), (8, 41149652960), (10, 32919722368), (13, 25322863360), (16, 20574826480), (20, 16459861184), (26, 12661431680), (31, 10619265280), (32, 10287413240), (40, 8229930592), (52, 6330715840), (62, 5309632640), (64, 5143706620), (65, 5064572672), (80, 4114965296), (104, 3165357920), (124, 2654816320), (128, 2571853310), (130, 2532286336), (155, 2123853056), (160, 2057482648), (208, 1582678960), (248, 1327408160), (256, 1285926655), (260, 1266143168), (310, 1061926528), (320, 1028741324), (403, 816866560), (416, 791339480), (496, 663704080), (520, 633071584), (620, 530963264), (640, 514370662), (806, 408433280), (832, 395669740), (992, 331852040), (1040, 316535792), (1240, 265481632), (1280, 257185331), (1612, 204216640), (1664, 197834870), (1984, 165926020), (2015, 163373312), (2080, 158267896), (2480, 132740816), (3224, 102108320), (3328, 98917435), (3968, 82963010), (4030, 81686656), (4160, 79133948), (4960, 66370408), (6448, 51054160), (7936, 41481505), (8060, 40843328), (8320, 39566974), (9920, 33185204), (12896, 25527080), (16120, 20421664), (16640, 19783487), (19840, 16592602), (25792, 12763540), (32240, 10210832), (39680, 8296301), (51584, 6381770), (64480, 5105416), (103168, 3190885), (128960, 2552708), (257920, 1276354), (515840, 638177)]