1964367080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{523}}^1$

素因数の和:811

約数の個数: 128

約数和(自身を含む): 4943877120

約数和(自身を除く): 2979510040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 233, 248, 260, 310, 403, 466, 520, 523, 620, 806, 932, 1046, 1165, 1240, 1612, 1864, 2015, 2092, 2330, 2615, 3029, 3224, 4030, 4184, 4660, 5230, 6058, 6799, 7223, 8060, 9320, 10460, 12116, 13598, 14446, 15145, 16120, 16213, 20920, 24232, 27196, 28892, 30290, 32426, 33995, 36115, 54392, 57784, 60580, 64852, 67990, 72230, 81065, 93899, 121160, 121859, 129704, 135980, 144460, 162130, 187798, 210769, 243718, 271960, 288920, 324260, 375596, 421538, 469495, 487436, 609295, 648520, 751192, 843076, 938990, 974872, 1053845, 1218590, 1584167, 1686152, 1877980, 2107690, 2437180, 3168334, 3755960, 3777629, 4215380, 4874360, 6336668, 7555258, 7920835, 8430760, 12673336, 15110516, 15841670, 18888145, 30221032, 31683340, 37776290, 49109177, 63366680, 75552580, 98218354, 151105160, 196436708, 245545885, 392873416, 491091770, 982183540, 1964367080]

約数ペア:

[(1, 1964367080), (2, 982183540), (4, 491091770), (5, 392873416), (8, 245545885), (10, 196436708), (13, 151105160), (20, 98218354), (26, 75552580), (31, 63366680), (40, 49109177), (52, 37776290), (62, 31683340), (65, 30221032), (104, 18888145), (124, 15841670), (130, 15110516), (155, 12673336), (233, 8430760), (248, 7920835), (260, 7555258), (310, 6336668), (403, 4874360), (466, 4215380), (520, 3777629), (523, 3755960), (620, 3168334), (806, 2437180), (932, 2107690), (1046, 1877980), (1165, 1686152), (1240, 1584167), (1612, 1218590), (1864, 1053845), (2015, 974872), (2092, 938990), (2330, 843076), (2615, 751192), (3029, 648520), (3224, 609295), (4030, 487436), (4184, 469495), (4660, 421538), (5230, 375596), (6058, 324260), (6799, 288920), (7223, 271960), (8060, 243718), (9320, 210769), (10460, 187798), (12116, 162130), (13598, 144460), (14446, 135980), (15145, 129704), (16120, 121859), (16213, 121160), (20920, 93899), (24232, 81065), (27196, 72230), (28892, 67990), (30290, 64852), (32426, 60580), (33995, 57784), (36115, 54392)]