217152780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1399}}^1$

素因数の和:1623

約数の個数: 96

約数和(自身を含む): 658560000

約数和(自身を除く): 441407220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 260, 390, 398, 597, 780, 796, 995, 1194, 1399, 1990, 2388, 2587, 2798, 2985, 3980, 4197, 5174, 5596, 5970, 6995, 7761, 8394, 10348, 11940, 12935, 13990, 15522, 16788, 18187, 20985, 25870, 27980, 31044, 36374, 38805, 41970, 51740, 54561, 72748, 77610, 83940, 90935, 109122, 155220, 181870, 218244, 272805, 278401, 363740, 545610, 556802, 835203, 1091220, 1113604, 1392005, 1670406, 2784010, 3340812, 3619213, 4176015, 5568020, 7238426, 8352030, 10857639, 14476852, 16704060, 18096065, 21715278, 36192130, 43430556, 54288195, 72384260, 108576390, 217152780]

約数ペア:

[(1, 217152780), (2, 108576390), (3, 72384260), (4, 54288195), (5, 43430556), (6, 36192130), (10, 21715278), (12, 18096065), (13, 16704060), (15, 14476852), (20, 10857639), (26, 8352030), (30, 7238426), (39, 5568020), (52, 4176015), (60, 3619213), (65, 3340812), (78, 2784010), (130, 1670406), (156, 1392005), (195, 1113604), (199, 1091220), (260, 835203), (390, 556802), (398, 545610), (597, 363740), (780, 278401), (796, 272805), (995, 218244), (1194, 181870), (1399, 155220), (1990, 109122), (2388, 90935), (2587, 83940), (2798, 77610), (2985, 72748), (3980, 54561), (4197, 51740), (5174, 41970), (5596, 38805), (5970, 36374), (6995, 31044), (7761, 27980), (8394, 25870), (10348, 20985), (11940, 18187), (12935, 16788), (13990, 15522)]