129008240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3271}}^1$

素因数の和:3330

約数の個数: 80

約数和(自身を含む): 328639680

約数和(自身を除く): 199631440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1972, 2320, 2465, 3271, 3944, 4930, 6542, 7888, 9860, 13084, 16355, 19720, 26168, 32710, 39440, 52336, 55607, 65420, 94859, 111214, 130840, 189718, 222428, 261680, 278035, 379436, 444856, 474295, 556070, 758872, 889712, 948590, 1112140, 1517744, 1612603, 1897180, 2224280, 3225206, 3794360, 4448560, 6450412, 7588720, 8063015, 12900824, 16126030, 25801648, 32252060, 64504120, 129008240]

約数ペア:

[(1, 129008240), (2, 64504120), (4, 32252060), (5, 25801648), (8, 16126030), (10, 12900824), (16, 8063015), (17, 7588720), (20, 6450412), (29, 4448560), (34, 3794360), (40, 3225206), (58, 2224280), (68, 1897180), (80, 1612603), (85, 1517744), (116, 1112140), (136, 948590), (145, 889712), (170, 758872), (232, 556070), (272, 474295), (290, 444856), (340, 379436), (464, 278035), (493, 261680), (580, 222428), (680, 189718), (986, 130840), (1160, 111214), (1360, 94859), (1972, 65420), (2320, 55607), (2465, 52336), (3271, 39440), (3944, 32710), (4930, 26168), (6542, 19720), (7888, 16355), (9860, 13084)]