251249160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 798336000

約数和(自身を除く): 547086840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 263, 285, 380, 419, 456, 526, 570, 760, 789, 838, 1052, 1140, 1257, 1315, 1578, 1676, 2095, 2104, 2280, 2514, 2630, 3156, 3352, 3945, 4190, 4997, 5028, 5260, 6285, 6312, 7890, 7961, 8380, 9994, 10056, 10520, 12570, 14991, 15780, 15922, 16760, 19988, 23883, 24985, 25140, 29982, 31560, 31844, 39805, 39976, 47766, 49970, 50280, 59964, 63688, 74955, 79610, 95532, 99940, 110197, 119415, 119928, 149910, 159220, 191064, 199880, 220394, 238830, 299820, 318440, 330591, 440788, 477660, 550985, 599640, 661182, 881576, 955320, 1101970, 1322364, 1652955, 2093743, 2203940, 2644728, 3305910, 4187486, 4407880, 6281229, 6611820, 8374972, 10468715, 12562458, 13223640, 16749944, 20937430, 25124916, 31406145, 41874860, 50249832, 62812290, 83749720, 125624580, 251249160]

約数ペア:

[(1, 251249160), (2, 125624580), (3, 83749720), (4, 62812290), (5, 50249832), (6, 41874860), (8, 31406145), (10, 25124916), (12, 20937430), (15, 16749944), (19, 13223640), (20, 12562458), (24, 10468715), (30, 8374972), (38, 6611820), (40, 6281229), (57, 4407880), (60, 4187486), (76, 3305910), (95, 2644728), (114, 2203940), (120, 2093743), (152, 1652955), (190, 1322364), (228, 1101970), (263, 955320), (285, 881576), (380, 661182), (419, 599640), (456, 550985), (526, 477660), (570, 440788), (760, 330591), (789, 318440), (838, 299820), (1052, 238830), (1140, 220394), (1257, 199880), (1315, 191064), (1578, 159220), (1676, 149910), (2095, 119928), (2104, 119415), (2280, 110197), (2514, 99940), (2630, 95532), (3156, 79610), (3352, 74955), (3945, 63688), (4190, 59964), (4997, 50280), (5028, 49970), (5260, 47766), (6285, 39976), (6312, 39805), (7890, 31844), (7961, 31560), (8380, 29982), (9994, 25140), (10056, 24985), (10520, 23883), (12570, 19988), (14991, 16760), (15780, 15922)]