20153100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 65995776

約数和(自身を除く): 45842676

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 31, 33, 44, 50, 55, 60, 62, 66, 75, 93, 100, 110, 124, 132, 150, 155, 165, 186, 197, 220, 275, 300, 310, 330, 341, 372, 394, 465, 550, 591, 620, 660, 682, 775, 788, 825, 930, 985, 1023, 1100, 1182, 1364, 1550, 1650, 1705, 1860, 1970, 2046, 2167, 2325, 2364, 2955, 3100, 3300, 3410, 3940, 4092, 4334, 4650, 4925, 5115, 5910, 6107, 6501, 6820, 8525, 8668, 9300, 9850, 10230, 10835, 11820, 12214, 13002, 14775, 17050, 18321, 19700, 20460, 21670, 24428, 25575, 26004, 29550, 30535, 32505, 34100, 36642, 43340, 51150, 54175, 59100, 61070, 65010, 67177, 73284, 91605, 102300, 108350, 122140, 130020, 134354, 152675, 162525, 183210, 201531, 216700, 268708, 305350, 325050, 335885, 366420, 403062, 458025, 610700, 650100, 671770, 806124, 916050, 1007655, 1343540, 1679425, 1832100, 2015310, 3358850, 4030620, 5038275, 6717700, 10076550, 20153100]

約数ペア:

[(1, 20153100), (2, 10076550), (3, 6717700), (4, 5038275), (5, 4030620), (6, 3358850), (10, 2015310), (11, 1832100), (12, 1679425), (15, 1343540), (20, 1007655), (22, 916050), (25, 806124), (30, 671770), (31, 650100), (33, 610700), (44, 458025), (50, 403062), (55, 366420), (60, 335885), (62, 325050), (66, 305350), (75, 268708), (93, 216700), (100, 201531), (110, 183210), (124, 162525), (132, 152675), (150, 134354), (155, 130020), (165, 122140), (186, 108350), (197, 102300), (220, 91605), (275, 73284), (300, 67177), (310, 65010), (330, 61070), (341, 59100), (372, 54175), (394, 51150), (465, 43340), (550, 36642), (591, 34100), (620, 32505), (660, 30535), (682, 29550), (775, 26004), (788, 25575), (825, 24428), (930, 21670), (985, 20460), (1023, 19700), (1100, 18321), (1182, 17050), (1364, 14775), (1550, 13002), (1650, 12214), (1705, 11820), (1860, 10835), (1970, 10230), (2046, 9850), (2167, 9300), (2325, 8668), (2364, 8525), (2955, 6820), (3100, 6501), (3300, 6107), (3410, 5910), (3940, 5115), (4092, 4925), (4334, 4650)]