398531880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{797}}^1$

素因数の和:1280

約数の個数: 128

約数和(自身を含む): 1332979200

約数和(自身を除く): 934447320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 463, 540, 797, 926, 1080, 1389, 1594, 1852, 2315, 2391, 2778, 3188, 3704, 3985, 4167, 4630, 4782, 5556, 6376, 6945, 7173, 7970, 8334, 9260, 9564, 11112, 11955, 12501, 13890, 14346, 15940, 16668, 18520, 19128, 20835, 21519, 23910, 25002, 27780, 28692, 31880, 33336, 35865, 41670, 43038, 47820, 50004, 55560, 57384, 62505, 71730, 83340, 86076, 95640, 100008, 107595, 125010, 143460, 166680, 172152, 215190, 250020, 286920, 369011, 430380, 500040, 738022, 860760, 1107033, 1476044, 1845055, 2214066, 2952088, 3321099, 3690110, 4428132, 5535165, 6642198, 7380220, 8856264, 9963297, 11070330, 13284396, 14760440, 16605495, 19926594, 22140660, 26568792, 33210990, 39853188, 44281320, 49816485, 66421980, 79706376, 99632970, 132843960, 199265940, 398531880]

約数ペア:

[(1, 398531880), (2, 199265940), (3, 132843960), (4, 99632970), (5, 79706376), (6, 66421980), (8, 49816485), (9, 44281320), (10, 39853188), (12, 33210990), (15, 26568792), (18, 22140660), (20, 19926594), (24, 16605495), (27, 14760440), (30, 13284396), (36, 11070330), (40, 9963297), (45, 8856264), (54, 7380220), (60, 6642198), (72, 5535165), (90, 4428132), (108, 3690110), (120, 3321099), (135, 2952088), (180, 2214066), (216, 1845055), (270, 1476044), (360, 1107033), (463, 860760), (540, 738022), (797, 500040), (926, 430380), (1080, 369011), (1389, 286920), (1594, 250020), (1852, 215190), (2315, 172152), (2391, 166680), (2778, 143460), (3188, 125010), (3704, 107595), (3985, 100008), (4167, 95640), (4630, 86076), (4782, 83340), (5556, 71730), (6376, 62505), (6945, 57384), (7173, 55560), (7970, 50004), (8334, 47820), (9260, 43038), (9564, 41670), (11112, 35865), (11955, 33336), (12501, 31880), (13890, 28692), (14346, 27780), (15940, 25002), (16668, 23910), (18520, 21519), (19128, 20835)]