234242820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2055

約数の個数: 192

約数和(自身を含む): 860160000

約数和(自身を除く): 625917180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1395, 1674, 1860, 1890, 1953, 1999, 2170, 2604, 2790, 3255, 3348, 3780, 3906, 3998, 4185, 4340, 5580, 5859, 5997, 6510, 7812, 7996, 8370, 9765, 9995, 11718, 11994, 13020, 13993, 16740, 17991, 19530, 19990, 23436, 23988, 27986, 29295, 29985, 35982, 39060, 39980, 41979, 53973, 55972, 58590, 59970, 61969, 69965, 71964, 83958, 89955, 107946, 117180, 119940, 123938, 125937, 139930, 167916, 179910, 185907, 209895, 215892, 247876, 251874, 269865, 279860, 309845, 359820, 371814, 377811, 419790, 433783, 503748, 539730, 557721, 619690, 629685, 743628, 755622, 839580, 867566, 929535, 1079460, 1115442, 1239380, 1259370, 1301349, 1511244, 1673163, 1735132, 1859070, 1889055, 2168915, 2230884, 2518740, 2602698, 2788605, 3346326, 3718140, 3778110, 3904047, 4337830, 5205396, 5577210, 6506745, 6692652, 7556220, 7808094, 8365815, 8675660, 11154420, 11712141, 13013490, 15616188, 16731630, 19520235, 23424282, 26026980, 33463260, 39040470, 46848564, 58560705, 78080940, 117121410, 234242820]

約数ペア:

[(1, 234242820), (2, 117121410), (3, 78080940), (4, 58560705), (5, 46848564), (6, 39040470), (7, 33463260), (9, 26026980), (10, 23424282), (12, 19520235), (14, 16731630), (15, 15616188), (18, 13013490), (20, 11712141), (21, 11154420), (27, 8675660), (28, 8365815), (30, 7808094), (31, 7556220), (35, 6692652), (36, 6506745), (42, 5577210), (45, 5205396), (54, 4337830), (60, 3904047), (62, 3778110), (63, 3718140), (70, 3346326), (84, 2788605), (90, 2602698), (93, 2518740), (105, 2230884), (108, 2168915), (124, 1889055), (126, 1859070), (135, 1735132), (140, 1673163), (155, 1511244), (180, 1301349), (186, 1259370), (189, 1239380), (210, 1115442), (217, 1079460), (252, 929535), (270, 867566), (279, 839580), (310, 755622), (315, 743628), (372, 629685), (378, 619690), (420, 557721), (434, 539730), (465, 503748), (540, 433783), (558, 419790), (620, 377811), (630, 371814), (651, 359820), (756, 309845), (837, 279860), (868, 269865), (930, 251874), (945, 247876), (1085, 215892), (1116, 209895), (1260, 185907), (1302, 179910), (1395, 167916), (1674, 139930), (1860, 125937), (1890, 123938), (1953, 119940), (1999, 117180), (2170, 107946), (2604, 89955), (2790, 83958), (3255, 71964), (3348, 69965), (3780, 61969), (3906, 59970), (3998, 58590), (4185, 55972), (4340, 53973), (5580, 41979), (5859, 39980), (5997, 39060), (6510, 35982), (7812, 29985), (7996, 29295), (8370, 27986), (9765, 23988), (9995, 23436), (11718, 19990), (11994, 19530), (13020, 17991), (13993, 16740)]