161925400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 288

約数和(自身を含む): 498718080

約数和(自身を除く): 336792680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 31, 35, 40, 41, 49, 50, 52, 56, 62, 65, 70, 82, 91, 98, 100, 104, 124, 130, 140, 155, 164, 175, 182, 196, 200, 205, 217, 245, 248, 260, 280, 287, 310, 325, 328, 350, 364, 392, 403, 410, 434, 455, 490, 520, 533, 574, 620, 637, 650, 700, 728, 775, 806, 820, 868, 910, 980, 1025, 1066, 1085, 1148, 1225, 1240, 1271, 1274, 1300, 1400, 1435, 1519, 1550, 1612, 1640, 1736, 1820, 1960, 2009, 2015, 2050, 2132, 2170, 2275, 2296, 2450, 2542, 2548, 2600, 2665, 2821, 2870, 3038, 3100, 3185, 3224, 3640, 3731, 4018, 4030, 4100, 4264, 4340, 4550, 4900, 5084, 5096, 5330, 5425, 5642, 5740, 6076, 6200, 6355, 6370, 7175, 7462, 7595, 8036, 8060, 8200, 8680, 8897, 9100, 9800, 10045, 10075, 10168, 10660, 10850, 11284, 11480, 12152, 12710, 12740, 13325, 14105, 14350, 14924, 15190, 15925, 16072, 16120, 16523, 17794, 18200, 18655, 19747, 20090, 20150, 21320, 21700, 22568, 25420, 25480, 26117, 26650, 28210, 28700, 29848, 30380, 31775, 31850, 33046, 35588, 37310, 37975, 39494, 40180, 40300, 43400, 44485, 50225, 50840, 52234, 53300, 56420, 57400, 60760, 62279, 63550, 63700, 66092, 70525, 71176, 74620, 75950, 78988, 80360, 80600, 82615, 88970, 93275, 98735, 100450, 104468, 106600, 112840, 115661, 124558, 127100, 127400, 130585, 132184, 141050, 149240, 151900, 157976, 165230, 177940, 186550, 197470, 200900, 208936, 222425, 231322, 249116, 254200, 261170, 282100, 303800, 311395, 330460, 355880, 373100, 394940, 401800, 413075, 444850, 462644, 493675, 498232, 522340, 564200, 578305, 622790, 652925, 660920, 746200, 789880, 809627, 826150, 889700, 925288, 987350, 1044680, 1156610, 1245580, 1305850, 1556975, 1619254, 1652300, 1779400, 1974700, 2313220, 2491160, 2611700, 2891525, 3113950, 3238508, 3304600, 3949400, 4048135, 4626440, 5223400, 5783050, 6227900, 6477016, 8096270, 11566100, 12455800, 16192540, 20240675, 23132200, 32385080, 40481350, 80962700, 161925400]

約数ペア:

[(1, 161925400), (2, 80962700), (4, 40481350), (5, 32385080), (7, 23132200), (8, 20240675), (10, 16192540), (13, 12455800), (14, 11566100), (20, 8096270), (25, 6477016), (26, 6227900), (28, 5783050), (31, 5223400), (35, 4626440), (40, 4048135), (41, 3949400), (49, 3304600), (50, 3238508), (52, 3113950), (56, 2891525), (62, 2611700), (65, 2491160), (70, 2313220), (82, 1974700), (91, 1779400), (98, 1652300), (100, 1619254), (104, 1556975), (124, 1305850), (130, 1245580), (140, 1156610), (155, 1044680), (164, 987350), (175, 925288), (182, 889700), (196, 826150), (200, 809627), (205, 789880), (217, 746200), (245, 660920), (248, 652925), (260, 622790), (280, 578305), (287, 564200), (310, 522340), (325, 498232), (328, 493675), (350, 462644), (364, 444850), (392, 413075), (403, 401800), (410, 394940), (434, 373100), (455, 355880), (490, 330460), (520, 311395), (533, 303800), (574, 282100), (620, 261170), (637, 254200), (650, 249116), (700, 231322), (728, 222425), (775, 208936), (806, 200900), (820, 197470), (868, 186550), (910, 177940), (980, 165230), (1025, 157976), (1066, 151900), (1085, 149240), (1148, 141050), (1225, 132184), (1240, 130585), (1271, 127400), (1274, 127100), (1300, 124558), (1400, 115661), (1435, 112840), (1519, 106600), (1550, 104468), (1612, 100450), (1640, 98735), (1736, 93275), (1820, 88970), (1960, 82615), (2009, 80600), (2015, 80360), (2050, 78988), (2132, 75950), (2170, 74620), (2275, 71176), (2296, 70525), (2450, 66092), (2542, 63700), (2548, 63550), (2600, 62279), (2665, 60760), (2821, 57400), (2870, 56420), (3038, 53300), (3100, 52234), (3185, 50840), (3224, 50225), (3640, 44485), (3731, 43400), (4018, 40300), (4030, 40180), (4100, 39494), (4264, 37975), (4340, 37310), (4550, 35588), (4900, 33046), (5084, 31850), (5096, 31775), (5330, 30380), (5425, 29848), (5642, 28700), (5740, 28210), (6076, 26650), (6200, 26117), (6355, 25480), (6370, 25420), (7175, 22568), (7462, 21700), (7595, 21320), (8036, 20150), (8060, 20090), (8200, 19747), (8680, 18655), (8897, 18200), (9100, 17794), (9800, 16523), (10045, 16120), (10075, 16072), (10168, 15925), (10660, 15190), (10850, 14924), (11284, 14350), (11480, 14105), (12152, 13325), (12710, 12740)]