1798160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:65

約数の個数: 120

約数和(自身を含む): 5446080

約数和(自身を除く): 3647920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 169, 182, 190, 208, 247, 260, 266, 280, 304, 338, 364, 380, 455, 494, 520, 532, 560, 665, 676, 728, 760, 845, 910, 988, 1040, 1064, 1183, 1235, 1330, 1352, 1456, 1520, 1690, 1729, 1820, 1976, 2128, 2366, 2470, 2660, 2704, 3211, 3380, 3458, 3640, 3952, 4732, 4940, 5320, 5915, 6422, 6760, 6916, 7280, 8645, 9464, 9880, 10640, 11830, 12844, 13520, 13832, 16055, 17290, 18928, 19760, 22477, 23660, 25688, 27664, 32110, 34580, 44954, 47320, 51376, 64220, 69160, 89908, 94640, 112385, 128440, 138320, 179816, 224770, 256880, 359632, 449540, 899080, 1798160]

約数ペア:

[(1, 1798160), (2, 899080), (4, 449540), (5, 359632), (7, 256880), (8, 224770), (10, 179816), (13, 138320), (14, 128440), (16, 112385), (19, 94640), (20, 89908), (26, 69160), (28, 64220), (35, 51376), (38, 47320), (40, 44954), (52, 34580), (56, 32110), (65, 27664), (70, 25688), (76, 23660), (80, 22477), (91, 19760), (95, 18928), (104, 17290), (112, 16055), (130, 13832), (133, 13520), (140, 12844), (152, 11830), (169, 10640), (182, 9880), (190, 9464), (208, 8645), (247, 7280), (260, 6916), (266, 6760), (280, 6422), (304, 5915), (338, 5320), (364, 4940), (380, 4732), (455, 3952), (494, 3640), (520, 3458), (532, 3380), (560, 3211), (665, 2704), (676, 2660), (728, 2470), (760, 2366), (845, 2128), (910, 1976), (988, 1820), (1040, 1729), (1064, 1690), (1183, 1520), (1235, 1456), (1330, 1352)]