138238920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4129}}^1$

素因数の和:4180

約数の個数: 128

約数和(自身を含む): 475776000

約数和(自身を除く): 337537080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4129, 4185, 5580, 6696, 8258, 8370, 11160, 12387, 16516, 16740, 20645, 24774, 33032, 33480, 37161, 41290, 49548, 61935, 74322, 82580, 99096, 111483, 123870, 127999, 148644, 165160, 185805, 222966, 247740, 255998, 297288, 371610, 383997, 445932, 495480, 511996, 557415, 639995, 743220, 767994, 891864, 1023992, 1114830, 1151991, 1279990, 1486440, 1535988, 1919985, 2229660, 2303982, 2559980, 3071976, 3455973, 3839970, 4459320, 4607964, 5119960, 5759955, 6911946, 7679940, 9215928, 11519910, 13823892, 15359880, 17279865, 23039820, 27647784, 34559730, 46079640, 69119460, 138238920]

約数ペア:

[(1, 138238920), (2, 69119460), (3, 46079640), (4, 34559730), (5, 27647784), (6, 23039820), (8, 17279865), (9, 15359880), (10, 13823892), (12, 11519910), (15, 9215928), (18, 7679940), (20, 6911946), (24, 5759955), (27, 5119960), (30, 4607964), (31, 4459320), (36, 3839970), (40, 3455973), (45, 3071976), (54, 2559980), (60, 2303982), (62, 2229660), (72, 1919985), (90, 1535988), (93, 1486440), (108, 1279990), (120, 1151991), (124, 1114830), (135, 1023992), (155, 891864), (180, 767994), (186, 743220), (216, 639995), (248, 557415), (270, 511996), (279, 495480), (310, 445932), (360, 383997), (372, 371610), (465, 297288), (540, 255998), (558, 247740), (620, 222966), (744, 185805), (837, 165160), (930, 148644), (1080, 127999), (1116, 123870), (1240, 111483), (1395, 99096), (1674, 82580), (1860, 74322), (2232, 61935), (2790, 49548), (3348, 41290), (3720, 37161), (4129, 33480), (4185, 33032), (5580, 24774), (6696, 20645), (8258, 16740), (8370, 16516), (11160, 12387)]