68624920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1157

約数の個数: 128

約数和(自身を含む): 201398400

約数和(自身を除く): 132773480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1109, 1190, 1547, 1768, 1820, 2210, 2218, 2380, 3094, 3640, 4420, 4436, 4760, 5545, 6188, 7735, 7763, 8840, 8872, 11090, 12376, 14417, 15470, 15526, 18853, 22180, 28834, 30940, 31052, 37706, 38815, 44360, 57668, 61880, 62104, 72085, 75412, 77630, 94265, 100919, 115336, 131971, 144170, 150824, 155260, 188530, 201838, 245089, 263942, 288340, 310520, 377060, 403676, 490178, 504595, 527884, 576680, 659855, 754120, 807352, 980356, 1009190, 1055768, 1225445, 1319710, 1715623, 1960712, 2018380, 2450890, 2639420, 3431246, 4036760, 4901780, 5278840, 6862492, 8578115, 9803560, 13724984, 17156230, 34312460, 68624920]

約数ペア:

[(1, 68624920), (2, 34312460), (4, 17156230), (5, 13724984), (7, 9803560), (8, 8578115), (10, 6862492), (13, 5278840), (14, 4901780), (17, 4036760), (20, 3431246), (26, 2639420), (28, 2450890), (34, 2018380), (35, 1960712), (40, 1715623), (52, 1319710), (56, 1225445), (65, 1055768), (68, 1009190), (70, 980356), (85, 807352), (91, 754120), (104, 659855), (119, 576680), (130, 527884), (136, 504595), (140, 490178), (170, 403676), (182, 377060), (221, 310520), (238, 288340), (260, 263942), (280, 245089), (340, 201838), (364, 188530), (442, 155260), (455, 150824), (476, 144170), (520, 131971), (595, 115336), (680, 100919), (728, 94265), (884, 77630), (910, 75412), (952, 72085), (1105, 62104), (1109, 61880), (1190, 57668), (1547, 44360), (1768, 38815), (1820, 37706), (2210, 31052), (2218, 30940), (2380, 28834), (3094, 22180), (3640, 18853), (4420, 15526), (4436, 15470), (4760, 14417), (5545, 12376), (6188, 11090), (7735, 8872), (7763, 8840)]