161751940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 447552000

約数和(自身を除く): 285800060

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 49, 68, 70, 73, 76, 85, 95, 98, 119, 133, 140, 146, 170, 190, 196, 238, 245, 266, 292, 323, 340, 343, 365, 380, 476, 490, 511, 532, 595, 646, 665, 686, 730, 833, 931, 980, 1022, 1190, 1241, 1292, 1330, 1372, 1387, 1460, 1615, 1666, 1715, 1862, 2044, 2261, 2380, 2482, 2555, 2660, 2774, 3230, 3332, 3430, 3577, 3724, 4165, 4522, 4655, 4964, 5110, 5548, 5831, 6205, 6460, 6517, 6860, 6935, 7154, 8330, 8687, 9044, 9310, 9709, 10220, 11305, 11662, 12410, 13034, 13870, 14308, 15827, 16660, 17374, 17885, 18620, 19418, 22610, 23324, 23579, 24820, 25039, 26068, 27740, 29155, 31654, 32585, 34748, 35770, 38836, 43435, 45220, 47158, 48545, 50078, 58310, 60809, 63308, 65170, 67963, 71540, 79135, 86870, 94316, 97090, 100156, 110789, 116620, 117895, 121618, 125195, 130340, 135926, 158270, 165053, 173740, 194180, 221578, 235790, 243236, 250390, 271852, 304045, 316540, 330106, 339815, 425663, 443156, 471580, 475741, 500780, 553945, 608090, 660212, 679630, 825265, 851326, 951482, 1107890, 1155371, 1216180, 1359260, 1650530, 1702652, 1902964, 2128315, 2215780, 2310742, 2378705, 3301060, 4256630, 4621484, 4757410, 5776855, 8087597, 8513260, 9514820, 11553710, 16175194, 23107420, 32350388, 40437985, 80875970, 161751940]

約数ペア:

[(1, 161751940), (2, 80875970), (4, 40437985), (5, 32350388), (7, 23107420), (10, 16175194), (14, 11553710), (17, 9514820), (19, 8513260), (20, 8087597), (28, 5776855), (34, 4757410), (35, 4621484), (38, 4256630), (49, 3301060), (68, 2378705), (70, 2310742), (73, 2215780), (76, 2128315), (85, 1902964), (95, 1702652), (98, 1650530), (119, 1359260), (133, 1216180), (140, 1155371), (146, 1107890), (170, 951482), (190, 851326), (196, 825265), (238, 679630), (245, 660212), (266, 608090), (292, 553945), (323, 500780), (340, 475741), (343, 471580), (365, 443156), (380, 425663), (476, 339815), (490, 330106), (511, 316540), (532, 304045), (595, 271852), (646, 250390), (665, 243236), (686, 235790), (730, 221578), (833, 194180), (931, 173740), (980, 165053), (1022, 158270), (1190, 135926), (1241, 130340), (1292, 125195), (1330, 121618), (1372, 117895), (1387, 116620), (1460, 110789), (1615, 100156), (1666, 97090), (1715, 94316), (1862, 86870), (2044, 79135), (2261, 71540), (2380, 67963), (2482, 65170), (2555, 63308), (2660, 60809), (2774, 58310), (3230, 50078), (3332, 48545), (3430, 47158), (3577, 45220), (3724, 43435), (4165, 38836), (4522, 35770), (4655, 34748), (4964, 32585), (5110, 31654), (5548, 29155), (5831, 27740), (6205, 26068), (6460, 25039), (6517, 24820), (6860, 23579), (6935, 23324), (7154, 22610), (8330, 19418), (8687, 18620), (9044, 17885), (9310, 17374), (9709, 16660), (10220, 15827), (11305, 14308), (11662, 13870), (12410, 13034)]