131220960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1285

約数の個数: 192

約数和(自身を含む): 471707712

約数和(自身を除く): 340486752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 96, 102, 104, 120, 130, 136, 156, 160, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 390, 408, 416, 442, 480, 510, 520, 544, 624, 663, 680, 780, 816, 884, 1020, 1040, 1105, 1237, 1248, 1326, 1360, 1560, 1632, 1768, 2040, 2080, 2210, 2474, 2652, 2720, 3120, 3315, 3536, 3711, 4080, 4420, 4948, 5304, 6185, 6240, 6630, 7072, 7422, 8160, 8840, 9896, 10608, 12370, 13260, 14844, 16081, 17680, 18555, 19792, 21029, 21216, 24740, 26520, 29688, 32162, 35360, 37110, 39584, 42058, 48243, 49480, 53040, 59376, 63087, 64324, 74220, 80405, 84116, 96486, 98960, 105145, 106080, 118752, 126174, 128648, 148440, 160810, 168232, 192972, 197920, 210290, 241215, 252348, 257296, 273377, 296880, 315435, 321620, 336464, 385944, 420580, 482430, 504696, 514592, 546754, 593760, 630870, 643240, 672928, 771888, 820131, 841160, 964860, 1009392, 1093508, 1261740, 1286480, 1366885, 1543776, 1640262, 1682320, 1929720, 2018784, 2187016, 2523480, 2572960, 2733770, 3280524, 3364640, 3859440, 4100655, 4374032, 5046960, 5467540, 6561048, 7718880, 8201310, 8748064, 10093920, 10935080, 13122096, 16402620, 21870160, 26244192, 32805240, 43740320, 65610480, 131220960]

約数ペア:

[(1, 131220960), (2, 65610480), (3, 43740320), (4, 32805240), (5, 26244192), (6, 21870160), (8, 16402620), (10, 13122096), (12, 10935080), (13, 10093920), (15, 8748064), (16, 8201310), (17, 7718880), (20, 6561048), (24, 5467540), (26, 5046960), (30, 4374032), (32, 4100655), (34, 3859440), (39, 3364640), (40, 3280524), (48, 2733770), (51, 2572960), (52, 2523480), (60, 2187016), (65, 2018784), (68, 1929720), (78, 1682320), (80, 1640262), (85, 1543776), (96, 1366885), (102, 1286480), (104, 1261740), (120, 1093508), (130, 1009392), (136, 964860), (156, 841160), (160, 820131), (170, 771888), (195, 672928), (204, 643240), (208, 630870), (221, 593760), (240, 546754), (255, 514592), (260, 504696), (272, 482430), (312, 420580), (340, 385944), (390, 336464), (408, 321620), (416, 315435), (442, 296880), (480, 273377), (510, 257296), (520, 252348), (544, 241215), (624, 210290), (663, 197920), (680, 192972), (780, 168232), (816, 160810), (884, 148440), (1020, 128648), (1040, 126174), (1105, 118752), (1237, 106080), (1248, 105145), (1326, 98960), (1360, 96486), (1560, 84116), (1632, 80405), (1768, 74220), (2040, 64324), (2080, 63087), (2210, 59376), (2474, 53040), (2652, 49480), (2720, 48243), (3120, 42058), (3315, 39584), (3536, 37110), (3711, 35360), (4080, 32162), (4420, 29688), (4948, 26520), (5304, 24740), (6185, 21216), (6240, 21029), (6630, 19792), (7072, 18555), (7422, 17680), (8160, 16081), (8840, 14844), (9896, 13260), (10608, 12370)]