30765720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 98288640

約数和(自身を除く): 67522920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 92, 115, 120, 138, 142, 157, 184, 213, 230, 276, 284, 314, 345, 355, 426, 460, 471, 552, 568, 628, 690, 710, 785, 852, 920, 942, 1065, 1256, 1380, 1420, 1570, 1633, 1704, 1884, 2130, 2355, 2760, 2840, 3140, 3266, 3611, 3768, 4260, 4710, 4899, 6280, 6532, 7222, 8165, 8520, 9420, 9798, 10833, 11147, 13064, 14444, 16330, 18055, 18840, 19596, 21666, 22294, 24495, 28888, 32660, 33441, 36110, 39192, 43332, 44588, 48990, 54165, 55735, 65320, 66882, 72220, 86664, 89176, 97980, 108330, 111470, 133764, 144440, 167205, 195960, 216660, 222940, 256381, 267528, 334410, 433320, 445880, 512762, 668820, 769143, 1025524, 1281905, 1337640, 1538286, 2051048, 2563810, 3076572, 3845715, 5127620, 6153144, 7691430, 10255240, 15382860, 30765720]

約数ペア:

[(1, 30765720), (2, 15382860), (3, 10255240), (4, 7691430), (5, 6153144), (6, 5127620), (8, 3845715), (10, 3076572), (12, 2563810), (15, 2051048), (20, 1538286), (23, 1337640), (24, 1281905), (30, 1025524), (40, 769143), (46, 668820), (60, 512762), (69, 445880), (71, 433320), (92, 334410), (115, 267528), (120, 256381), (138, 222940), (142, 216660), (157, 195960), (184, 167205), (213, 144440), (230, 133764), (276, 111470), (284, 108330), (314, 97980), (345, 89176), (355, 86664), (426, 72220), (460, 66882), (471, 65320), (552, 55735), (568, 54165), (628, 48990), (690, 44588), (710, 43332), (785, 39192), (852, 36110), (920, 33441), (942, 32660), (1065, 28888), (1256, 24495), (1380, 22294), (1420, 21666), (1570, 19596), (1633, 18840), (1704, 18055), (1884, 16330), (2130, 14444), (2355, 13064), (2760, 11147), (2840, 10833), (3140, 9798), (3266, 9420), (3611, 8520), (3768, 8165), (4260, 7222), (4710, 6532), (4899, 6280)]