30888780

素因数分解:

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

素因数の和:423

約数の個数: 72

約数和(自身を含む): 93611952

約数和(自身を除く): 62723172

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, 1990, 2388, 2587, 2985, 3980, 5174, 5970, 7761, 10348, 11940, 12935, 15522, 25870, 31044, 38805, 39601, 51740, 77610, 79202, 118803, 155220, 158404, 198005, 237606, 396010, 475212, 514813, 594015, 792020, 1029626, 1188030, 1544439, 2059252, 2376060, 2574065, 3088878, 5148130, 6177756, 7722195, 10296260, 15444390, 30888780]

約数ペア:

[(1, 30888780), (2, 15444390), (3, 10296260), (4, 7722195), (5, 6177756), (6, 5148130), (10, 3088878), (12, 2574065), (13, 2376060), (15, 2059252), (20, 1544439), (26, 1188030), (30, 1029626), (39, 792020), (52, 594015), (60, 514813), (65, 475212), (78, 396010), (130, 237606), (156, 198005), (195, 158404), (199, 155220), (260, 118803), (390, 79202), (398, 77610), (597, 51740), (780, 39601), (796, 38805), (995, 31044), (1194, 25870), (1990, 15522), (2388, 12935), (2587, 11940), (2985, 10348), (3980, 7761), (5174, 5970)]