251451720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4133}}^1$

素因数の和:4176

約数の個数: 144

約数和(自身を含む): 885130740

約数和(自身を除く): 633679020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1352, 1521, 1560, 1690, 2028, 2340, 2535, 3042, 3380, 4056, 4133, 4680, 5070, 6084, 6760, 7605, 8266, 10140, 12168, 12399, 15210, 16532, 20280, 20665, 24798, 30420, 33064, 37197, 41330, 49596, 53729, 60840, 61995, 74394, 82660, 99192, 107458, 123990, 148788, 161187, 165320, 185985, 214916, 247980, 268645, 297576, 322374, 371970, 429832, 483561, 495960, 537290, 644748, 698477, 743940, 805935, 967122, 1074580, 1289496, 1396954, 1487880, 1611870, 1934244, 2095431, 2149160, 2417805, 2793908, 3223740, 3492385, 3868488, 4190862, 4835610, 5587816, 6286293, 6447480, 6984770, 8381724, 9671220, 10477155, 12572586, 13969540, 16763448, 19342440, 20954310, 25145172, 27939080, 31431465, 41908620, 50290344, 62862930, 83817240, 125725860, 251451720]

約数ペア:

[(1, 251451720), (2, 125725860), (3, 83817240), (4, 62862930), (5, 50290344), (6, 41908620), (8, 31431465), (9, 27939080), (10, 25145172), (12, 20954310), (13, 19342440), (15, 16763448), (18, 13969540), (20, 12572586), (24, 10477155), (26, 9671220), (30, 8381724), (36, 6984770), (39, 6447480), (40, 6286293), (45, 5587816), (52, 4835610), (60, 4190862), (65, 3868488), (72, 3492385), (78, 3223740), (90, 2793908), (104, 2417805), (117, 2149160), (120, 2095431), (130, 1934244), (156, 1611870), (169, 1487880), (180, 1396954), (195, 1289496), (234, 1074580), (260, 967122), (312, 805935), (338, 743940), (360, 698477), (390, 644748), (468, 537290), (507, 495960), (520, 483561), (585, 429832), (676, 371970), (780, 322374), (845, 297576), (936, 268645), (1014, 247980), (1170, 214916), (1352, 185985), (1521, 165320), (1560, 161187), (1690, 148788), (2028, 123990), (2340, 107458), (2535, 99192), (3042, 82660), (3380, 74394), (4056, 61995), (4133, 60840), (4680, 53729), (5070, 49596), (6084, 41330), (6760, 37197), (7605, 33064), (8266, 30420), (10140, 24798), (12168, 20665), (12399, 20280), (15210, 16532)]