206231220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2843}}^1$

素因数の和:2902

約数の個数: 144

約数和(自身を含む): 695665152

約数和(自身を除く): 489433932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 2843, 3627, 4030, 4836, 5580, 5686, 6045, 7254, 8060, 8529, 11372, 12090, 14215, 14508, 17058, 18135, 24180, 25587, 28430, 34116, 36270, 36959, 42645, 51174, 56860, 72540, 73918, 85290, 88133, 102348, 110877, 127935, 147836, 170580, 176266, 184795, 221754, 255870, 264399, 332631, 352532, 369590, 440665, 443508, 511740, 528798, 554385, 665262, 739180, 793197, 881330, 1057596, 1108770, 1145729, 1321995, 1330524, 1586394, 1663155, 1762660, 2217540, 2291458, 2643990, 3172788, 3326310, 3437187, 3965985, 4582916, 5287980, 5728645, 6652620, 6874374, 7931970, 10311561, 11457290, 13748748, 15863940, 17185935, 20623122, 22914580, 34371870, 41246244, 51557805, 68743740, 103115610, 206231220]

約数ペア:

[(1, 206231220), (2, 103115610), (3, 68743740), (4, 51557805), (5, 41246244), (6, 34371870), (9, 22914580), (10, 20623122), (12, 17185935), (13, 15863940), (15, 13748748), (18, 11457290), (20, 10311561), (26, 7931970), (30, 6874374), (31, 6652620), (36, 5728645), (39, 5287980), (45, 4582916), (52, 3965985), (60, 3437187), (62, 3326310), (65, 3172788), (78, 2643990), (90, 2291458), (93, 2217540), (117, 1762660), (124, 1663155), (130, 1586394), (155, 1330524), (156, 1321995), (180, 1145729), (186, 1108770), (195, 1057596), (234, 881330), (260, 793197), (279, 739180), (310, 665262), (372, 554385), (390, 528798), (403, 511740), (465, 443508), (468, 440665), (558, 369590), (585, 352532), (620, 332631), (780, 264399), (806, 255870), (930, 221754), (1116, 184795), (1170, 176266), (1209, 170580), (1395, 147836), (1612, 127935), (1860, 110877), (2015, 102348), (2340, 88133), (2418, 85290), (2790, 73918), (2843, 72540), (3627, 56860), (4030, 51174), (4836, 42645), (5580, 36959), (5686, 36270), (6045, 34116), (7254, 28430), (8060, 25587), (8529, 24180), (11372, 18135), (12090, 17058), (14215, 14508)]