128212320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2039}}^1$

素因数の和:2188

約数の個数: 96

約数和(自身を含む): 407151360

約数和(自身を除く): 278939040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 393, 480, 524, 655, 786, 1048, 1310, 1572, 1965, 2039, 2096, 2620, 3144, 3930, 4078, 4192, 5240, 6117, 6288, 7860, 8156, 10195, 10480, 12234, 12576, 15720, 16312, 20390, 20960, 24468, 30585, 31440, 32624, 40780, 48936, 61170, 62880, 65248, 81560, 97872, 122340, 163120, 195744, 244680, 267109, 326240, 489360, 534218, 801327, 978720, 1068436, 1335545, 1602654, 2136872, 2671090, 3205308, 4006635, 4273744, 5342180, 6410616, 8013270, 8547488, 10684360, 12821232, 16026540, 21368720, 25642464, 32053080, 42737440, 64106160, 128212320]

約数ペア:

[(1, 128212320), (2, 64106160), (3, 42737440), (4, 32053080), (5, 25642464), (6, 21368720), (8, 16026540), (10, 12821232), (12, 10684360), (15, 8547488), (16, 8013270), (20, 6410616), (24, 5342180), (30, 4273744), (32, 4006635), (40, 3205308), (48, 2671090), (60, 2136872), (80, 1602654), (96, 1335545), (120, 1068436), (131, 978720), (160, 801327), (240, 534218), (262, 489360), (393, 326240), (480, 267109), (524, 244680), (655, 195744), (786, 163120), (1048, 122340), (1310, 97872), (1572, 81560), (1965, 65248), (2039, 62880), (2096, 61170), (2620, 48936), (3144, 40780), (3930, 32624), (4078, 31440), (4192, 30585), (5240, 24468), (6117, 20960), (6288, 20390), (7860, 16312), (8156, 15720), (10195, 12576), (10480, 12234)]