15721519390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1\times {\mathrm{683}}^1$

素因数の和:1201

約数の個数: 64

約数和(自身を含む): 29253312000

約数和(自身を除く): 13531792610

約数列:

[1, 2, 5, 10, 43, 86, 199, 215, 269, 398, 430, 538, 683, 995, 1345, 1366, 1990, 2690, 3415, 6830, 8557, 11567, 17114, 23134, 29369, 42785, 53531, 57835, 58738, 85570, 107062, 115670, 135917, 146845, 183727, 267655, 271834, 293690, 367454, 535310, 679585, 918635, 1359170, 1837270, 2301833, 4603666, 5844431, 7900261, 11509165, 11688862, 15800522, 23018330, 29222155, 36561673, 39501305, 58444310, 73123346, 79002610, 182808365, 365616730, 1572151939, 3144303878, 7860759695, 15721519390]

約数ペア:

[(1, 15721519390), (2, 7860759695), (5, 3144303878), (10, 1572151939), (43, 365616730), (86, 182808365), (199, 79002610), (215, 73123346), (269, 58444310), (398, 39501305), (430, 36561673), (538, 29222155), (683, 23018330), (995, 15800522), (1345, 11688862), (1366, 11509165), (1990, 7900261), (2690, 5844431), (3415, 4603666), (6830, 2301833), (8557, 1837270), (11567, 1359170), (17114, 918635), (23134, 679585), (29369, 535310), (42785, 367454), (53531, 293690), (57835, 271834), (58738, 267655), (85570, 183727), (107062, 146845), (115670, 135917)]