641996761640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{603131}}^1$

素因数の和:603267

約数の個数: 128

約数和(自身を含む): 1641484051200

約数和(自身を除く): 999487289560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 89, 92, 104, 115, 130, 178, 184, 230, 260, 299, 356, 445, 460, 520, 598, 712, 890, 920, 1157, 1196, 1495, 1780, 2047, 2314, 2392, 2990, 3560, 4094, 4628, 5785, 5980, 8188, 9256, 10235, 11570, 11960, 16376, 20470, 23140, 26611, 40940, 46280, 53222, 81880, 106444, 133055, 212888, 266110, 532220, 603131, 1064440, 1206262, 2412524, 3015655, 4825048, 6031310, 7840703, 12062620, 13872013, 15681406, 24125240, 27744026, 31362812, 39203515, 53678659, 55488052, 62725624, 69360065, 78407030, 107357318, 110976104, 138720130, 156814060, 180336169, 214714636, 268393295, 277440260, 313628120, 360672338, 429429272, 536786590, 554880520, 697822567, 721344676, 901680845, 1073573180, 1234609157, 1395645134, 1442689352, 1803361690, 2147146360, 2469218314, 2791290268, 3489112835, 3606723380, 4938436628, 5582580536, 6173045785, 6978225670, 7213446760, 9876873256, 12346091570, 13956451340, 16049919041, 24692183140, 27912902680, 32099838082, 49384366280, 64199676164, 80249595205, 128399352328, 160499190410, 320998380820, 641996761640]

約数ペア:

[(1, 641996761640), (2, 320998380820), (4, 160499190410), (5, 128399352328), (8, 80249595205), (10, 64199676164), (13, 49384366280), (20, 32099838082), (23, 27912902680), (26, 24692183140), (40, 16049919041), (46, 13956451340), (52, 12346091570), (65, 9876873256), (89, 7213446760), (92, 6978225670), (104, 6173045785), (115, 5582580536), (130, 4938436628), (178, 3606723380), (184, 3489112835), (230, 2791290268), (260, 2469218314), (299, 2147146360), (356, 1803361690), (445, 1442689352), (460, 1395645134), (520, 1234609157), (598, 1073573180), (712, 901680845), (890, 721344676), (920, 697822567), (1157, 554880520), (1196, 536786590), (1495, 429429272), (1780, 360672338), (2047, 313628120), (2314, 277440260), (2392, 268393295), (2990, 214714636), (3560, 180336169), (4094, 156814060), (4628, 138720130), (5785, 110976104), (5980, 107357318), (8188, 78407030), (9256, 69360065), (10235, 62725624), (11570, 55488052), (11960, 53678659), (16376, 39203515), (20470, 31362812), (23140, 27744026), (26611, 24125240), (40940, 15681406), (46280, 13872013), (53222, 12062620), (81880, 7840703), (106444, 6031310), (133055, 4825048), (212888, 3015655), (266110, 2412524), (532220, 1206262), (603131, 1064440)]