128156976

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1575

約数の個数: 120

約数和(自身を含む): 389975040

約数和(自身を除く): 261818064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 1116, 1178, 1368, 1488, 1511, 1767, 2232, 2356, 2736, 3022, 3534, 4464, 4533, 4712, 5301, 6044, 7068, 9066, 9424, 10602, 12088, 13599, 14136, 18132, 21204, 24176, 27198, 28272, 28709, 36264, 42408, 46841, 54396, 57418, 72528, 84816, 86127, 93682, 108792, 114836, 140523, 172254, 187364, 217584, 229672, 258381, 281046, 344508, 374728, 421569, 459344, 516762, 562092, 689016, 749456, 843138, 889979, 1033524, 1124184, 1378032, 1686276, 1779958, 2067048, 2248368, 2669937, 3372552, 3559916, 4134096, 5339874, 6745104, 7119832, 8009811, 10679748, 14239664, 16019622, 21359496, 32039244, 42718992, 64078488, 128156976]

約数ペア:

[(1, 128156976), (2, 64078488), (3, 42718992), (4, 32039244), (6, 21359496), (8, 16019622), (9, 14239664), (12, 10679748), (16, 8009811), (18, 7119832), (19, 6745104), (24, 5339874), (31, 4134096), (36, 3559916), (38, 3372552), (48, 2669937), (57, 2248368), (62, 2067048), (72, 1779958), (76, 1686276), (93, 1378032), (114, 1124184), (124, 1033524), (144, 889979), (152, 843138), (171, 749456), (186, 689016), (228, 562092), (248, 516762), (279, 459344), (304, 421569), (342, 374728), (372, 344508), (456, 281046), (496, 258381), (558, 229672), (589, 217584), (684, 187364), (744, 172254), (912, 140523), (1116, 114836), (1178, 108792), (1368, 93682), (1488, 86127), (1511, 84816), (1767, 72528), (2232, 57418), (2356, 54396), (2736, 46841), (3022, 42408), (3534, 36264), (4464, 28709), (4533, 28272), (4712, 27198), (5301, 24176), (6044, 21204), (7068, 18132), (9066, 14136), (9424, 13599), (10602, 12088)]