31128240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:947

約数の個数: 160

約数和(自身を含む): 113492736

約数和(自身を除く): 82364496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 390, 429, 440, 520, 528, 572, 624, 660, 715, 780, 858, 880, 907, 1040, 1144, 1320, 1430, 1560, 1716, 1814, 2145, 2288, 2640, 2721, 2860, 3120, 3432, 3628, 4290, 4535, 5442, 5720, 6864, 7256, 8580, 9070, 9977, 10884, 11440, 11791, 13605, 14512, 17160, 18140, 19954, 21768, 23582, 27210, 29931, 34320, 35373, 36280, 39908, 43536, 47164, 49885, 54420, 58955, 59862, 70746, 72560, 79816, 94328, 99770, 108840, 117910, 119724, 129701, 141492, 149655, 159632, 176865, 188656, 199540, 217680, 235820, 239448, 259402, 282984, 299310, 353730, 389103, 399080, 471640, 478896, 518804, 565968, 598620, 648505, 707460, 778206, 798160, 943280, 1037608, 1197240, 1297010, 1414920, 1556412, 1945515, 2075216, 2394480, 2594020, 2829840, 3112824, 3891030, 5188040, 6225648, 7782060, 10376080, 15564120, 31128240]

約数ペア:

[(1, 31128240), (2, 15564120), (3, 10376080), (4, 7782060), (5, 6225648), (6, 5188040), (8, 3891030), (10, 3112824), (11, 2829840), (12, 2594020), (13, 2394480), (15, 2075216), (16, 1945515), (20, 1556412), (22, 1414920), (24, 1297010), (26, 1197240), (30, 1037608), (33, 943280), (39, 798160), (40, 778206), (44, 707460), (48, 648505), (52, 598620), (55, 565968), (60, 518804), (65, 478896), (66, 471640), (78, 399080), (80, 389103), (88, 353730), (104, 299310), (110, 282984), (120, 259402), (130, 239448), (132, 235820), (143, 217680), (156, 199540), (165, 188656), (176, 176865), (195, 159632), (208, 149655), (220, 141492), (240, 129701), (260, 119724), (264, 117910), (286, 108840), (312, 99770), (330, 94328), (390, 79816), (429, 72560), (440, 70746), (520, 59862), (528, 58955), (572, 54420), (624, 49885), (660, 47164), (715, 43536), (780, 39908), (858, 36280), (880, 35373), (907, 34320), (1040, 29931), (1144, 27210), (1320, 23582), (1430, 21768), (1560, 19954), (1716, 18140), (1814, 17160), (2145, 14512), (2288, 13605), (2640, 11791), (2721, 11440), (2860, 10884), (3120, 9977), (3432, 9070), (3628, 8580), (4290, 7256), (4535, 6864), (5442, 5720)]