121225520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2843}}^1$

素因数の和:2910

約数の個数: 80

約数和(自身を含む): 311042592

約数和(自身を除く): 189817072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 2843, 3280, 4264, 5330, 5686, 8528, 10660, 11372, 14215, 21320, 22744, 28430, 36959, 42640, 45488, 56860, 73918, 113720, 116563, 147836, 184795, 227440, 233126, 295672, 369590, 466252, 582815, 591344, 739180, 932504, 1165630, 1478360, 1515319, 1865008, 2331260, 2956720, 3030638, 4662520, 6061276, 7576595, 9325040, 12122552, 15153190, 24245104, 30306380, 60612760, 121225520]

約数ペア:

[(1, 121225520), (2, 60612760), (4, 30306380), (5, 24245104), (8, 15153190), (10, 12122552), (13, 9325040), (16, 7576595), (20, 6061276), (26, 4662520), (40, 3030638), (41, 2956720), (52, 2331260), (65, 1865008), (80, 1515319), (82, 1478360), (104, 1165630), (130, 932504), (164, 739180), (205, 591344), (208, 582815), (260, 466252), (328, 369590), (410, 295672), (520, 233126), (533, 227440), (656, 184795), (820, 147836), (1040, 116563), (1066, 113720), (1640, 73918), (2132, 56860), (2665, 45488), (2843, 42640), (3280, 36959), (4264, 28430), (5330, 22744), (5686, 21320), (8528, 14215), (10660, 11372)]