398475720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8999}}^1$

素因数の和:9060

約数の個数: 128

約数和(自身を含む): 1360800000

約数和(自身を除く): 962324280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 82, 90, 108, 120, 123, 135, 164, 180, 205, 216, 246, 270, 328, 360, 369, 410, 492, 540, 615, 738, 820, 984, 1080, 1107, 1230, 1476, 1640, 1845, 2214, 2460, 2952, 3690, 4428, 4920, 5535, 7380, 8856, 8999, 11070, 14760, 17998, 22140, 26997, 35996, 44280, 44995, 53994, 71992, 80991, 89990, 107988, 134985, 161982, 179980, 215976, 242973, 269970, 323964, 359960, 368959, 404955, 485946, 539940, 647928, 737918, 809910, 971892, 1079880, 1106877, 1214865, 1475836, 1619820, 1844795, 1943784, 2213754, 2429730, 2951672, 3239640, 3320631, 3689590, 4427508, 4859460, 5534385, 6641262, 7379180, 8855016, 9718920, 9961893, 11068770, 13282524, 14758360, 16603155, 19923786, 22137540, 26565048, 33206310, 39847572, 44275080, 49809465, 66412620, 79695144, 99618930, 132825240, 199237860, 398475720]

約数ペア:

[(1, 398475720), (2, 199237860), (3, 132825240), (4, 99618930), (5, 79695144), (6, 66412620), (8, 49809465), (9, 44275080), (10, 39847572), (12, 33206310), (15, 26565048), (18, 22137540), (20, 19923786), (24, 16603155), (27, 14758360), (30, 13282524), (36, 11068770), (40, 9961893), (41, 9718920), (45, 8855016), (54, 7379180), (60, 6641262), (72, 5534385), (82, 4859460), (90, 4427508), (108, 3689590), (120, 3320631), (123, 3239640), (135, 2951672), (164, 2429730), (180, 2213754), (205, 1943784), (216, 1844795), (246, 1619820), (270, 1475836), (328, 1214865), (360, 1106877), (369, 1079880), (410, 971892), (492, 809910), (540, 737918), (615, 647928), (738, 539940), (820, 485946), (984, 404955), (1080, 368959), (1107, 359960), (1230, 323964), (1476, 269970), (1640, 242973), (1845, 215976), (2214, 179980), (2460, 161982), (2952, 134985), (3690, 107988), (4428, 89990), (4920, 80991), (5535, 71992), (7380, 53994), (8856, 44995), (8999, 44280), (11070, 35996), (14760, 26997), (17998, 22140)]