639633540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3779}}^1$

素因数の和:3842

約数の個数: 192

約数和(自身を含む): 2275983360

約数和(自身を除く): 1636349820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 182, 186, 195, 210, 217, 260, 273, 310, 364, 372, 390, 403, 420, 434, 455, 465, 546, 620, 651, 780, 806, 868, 910, 930, 1085, 1092, 1209, 1302, 1365, 1612, 1820, 1860, 2015, 2170, 2418, 2604, 2730, 2821, 3255, 3779, 4030, 4340, 4836, 5460, 5642, 6045, 6510, 7558, 8060, 8463, 11284, 11337, 12090, 13020, 14105, 15116, 16926, 18895, 22674, 24180, 26453, 28210, 33852, 37790, 42315, 45348, 49127, 52906, 56420, 56685, 75580, 79359, 84630, 98254, 105812, 113370, 117149, 132265, 147381, 158718, 169260, 196508, 226740, 234298, 245635, 264530, 294762, 317436, 343889, 351447, 396795, 468596, 491270, 529060, 585745, 589524, 687778, 702894, 736905, 793590, 820043, 982540, 1031667, 1171490, 1375556, 1405788, 1473810, 1522937, 1587180, 1640086, 1719445, 1757235, 2063334, 2342980, 2460129, 2947620, 3045874, 3280172, 3438890, 3514470, 4100215, 4126668, 4568811, 4920258, 5158335, 6091748, 6877780, 7028940, 7614685, 8200430, 9137622, 9840516, 10316670, 10660559, 12300645, 15229370, 16400860, 18275244, 20633340, 21321118, 22844055, 24601290, 30458740, 31981677, 42642236, 45688110, 49202580, 53302795, 63963354, 91376220, 106605590, 127926708, 159908385, 213211180, 319816770, 639633540]

約数ペア:

[(1, 639633540), (2, 319816770), (3, 213211180), (4, 159908385), (5, 127926708), (6, 106605590), (7, 91376220), (10, 63963354), (12, 53302795), (13, 49202580), (14, 45688110), (15, 42642236), (20, 31981677), (21, 30458740), (26, 24601290), (28, 22844055), (30, 21321118), (31, 20633340), (35, 18275244), (39, 16400860), (42, 15229370), (52, 12300645), (60, 10660559), (62, 10316670), (65, 9840516), (70, 9137622), (78, 8200430), (84, 7614685), (91, 7028940), (93, 6877780), (105, 6091748), (124, 5158335), (130, 4920258), (140, 4568811), (155, 4126668), (156, 4100215), (182, 3514470), (186, 3438890), (195, 3280172), (210, 3045874), (217, 2947620), (260, 2460129), (273, 2342980), (310, 2063334), (364, 1757235), (372, 1719445), (390, 1640086), (403, 1587180), (420, 1522937), (434, 1473810), (455, 1405788), (465, 1375556), (546, 1171490), (620, 1031667), (651, 982540), (780, 820043), (806, 793590), (868, 736905), (910, 702894), (930, 687778), (1085, 589524), (1092, 585745), (1209, 529060), (1302, 491270), (1365, 468596), (1612, 396795), (1820, 351447), (1860, 343889), (2015, 317436), (2170, 294762), (2418, 264530), (2604, 245635), (2730, 234298), (2821, 226740), (3255, 196508), (3779, 169260), (4030, 158718), (4340, 147381), (4836, 132265), (5460, 117149), (5642, 113370), (6045, 105812), (6510, 98254), (7558, 84630), (8060, 79359), (8463, 75580), (11284, 56685), (11337, 56420), (12090, 52906), (13020, 49127), (14105, 45348), (15116, 42315), (16926, 37790), (18895, 33852), (22674, 28210), (24180, 26453)]