207311720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 609033600

約数和(自身を除く): 401721880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 121, 140, 145, 154, 203, 211, 220, 232, 242, 280, 290, 308, 319, 385, 406, 422, 440, 484, 580, 605, 616, 638, 770, 812, 844, 847, 968, 1015, 1055, 1160, 1210, 1276, 1477, 1540, 1595, 1624, 1688, 1694, 2030, 2110, 2233, 2321, 2420, 2552, 2954, 3080, 3190, 3388, 3509, 4060, 4220, 4235, 4466, 4642, 4840, 5908, 6119, 6380, 6776, 7018, 7385, 8120, 8440, 8470, 8932, 9284, 11165, 11605, 11816, 12238, 12760, 14036, 14770, 16247, 16940, 17545, 17864, 18568, 22330, 23210, 24476, 24563, 25531, 28072, 29540, 30595, 32494, 33880, 35090, 42833, 44660, 46420, 48952, 49126, 51062, 59080, 61190, 64988, 67309, 70180, 81235, 85666, 89320, 92840, 98252, 102124, 122380, 122815, 127655, 129976, 134618, 140360, 162470, 171332, 178717, 196504, 204248, 214165, 244760, 245630, 255310, 269236, 324940, 336545, 342664, 357434, 428330, 471163, 491260, 510620, 538472, 649880, 673090, 714868, 740399, 856660, 893585, 942326, 982520, 1021240, 1346180, 1429736, 1480798, 1713320, 1787170, 1884652, 2355815, 2692360, 2961596, 3574340, 3701995, 3769304, 4711630, 5182793, 5923192, 7148680, 7403990, 9423260, 10365586, 14807980, 18846520, 20731172, 25913965, 29615960, 41462344, 51827930, 103655860, 207311720]

約数ペア:

[(1, 207311720), (2, 103655860), (4, 51827930), (5, 41462344), (7, 29615960), (8, 25913965), (10, 20731172), (11, 18846520), (14, 14807980), (20, 10365586), (22, 9423260), (28, 7403990), (29, 7148680), (35, 5923192), (40, 5182793), (44, 4711630), (55, 3769304), (56, 3701995), (58, 3574340), (70, 2961596), (77, 2692360), (88, 2355815), (110, 1884652), (116, 1787170), (121, 1713320), (140, 1480798), (145, 1429736), (154, 1346180), (203, 1021240), (211, 982520), (220, 942326), (232, 893585), (242, 856660), (280, 740399), (290, 714868), (308, 673090), (319, 649880), (385, 538472), (406, 510620), (422, 491260), (440, 471163), (484, 428330), (580, 357434), (605, 342664), (616, 336545), (638, 324940), (770, 269236), (812, 255310), (844, 245630), (847, 244760), (968, 214165), (1015, 204248), (1055, 196504), (1160, 178717), (1210, 171332), (1276, 162470), (1477, 140360), (1540, 134618), (1595, 129976), (1624, 127655), (1688, 122815), (1694, 122380), (2030, 102124), (2110, 98252), (2233, 92840), (2321, 89320), (2420, 85666), (2552, 81235), (2954, 70180), (3080, 67309), (3190, 64988), (3388, 61190), (3509, 59080), (4060, 51062), (4220, 49126), (4235, 48952), (4466, 46420), (4642, 44660), (4840, 42833), (5908, 35090), (6119, 33880), (6380, 32494), (6776, 30595), (7018, 29540), (7385, 28072), (8120, 25531), (8440, 24563), (8470, 24476), (8932, 23210), (9284, 22330), (11165, 18568), (11605, 17864), (11816, 17545), (12238, 16940), (12760, 16247), (14036, 14770)]