1657708780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:408

約数の個数: 192

約数和(自身を含む): 4461649920

約数和(自身を除く): 2803941140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 103, 130, 140, 148, 182, 185, 206, 239, 259, 260, 364, 370, 412, 455, 478, 481, 515, 518, 721, 740, 910, 956, 962, 1030, 1036, 1195, 1295, 1339, 1442, 1673, 1820, 1924, 2060, 2390, 2405, 2590, 2678, 2884, 3107, 3346, 3367, 3605, 3811, 4780, 4810, 5180, 5356, 6214, 6692, 6695, 6734, 7210, 7622, 8365, 8843, 9373, 9620, 12428, 13390, 13468, 14420, 15244, 15535, 16730, 16835, 17686, 18746, 19055, 21749, 24617, 26677, 26780, 31070, 33460, 33670, 35372, 37492, 38110, 43498, 44215, 46865, 49234, 49543, 53354, 61901, 62140, 67340, 76220, 86996, 88430, 93730, 98468, 99086, 106708, 108745, 114959, 123085, 123802, 133385, 172319, 176860, 187460, 198172, 217490, 229918, 246170, 247604, 247715, 266770, 309505, 320021, 344638, 346801, 434980, 459836, 492340, 495430, 533540, 574795, 619010, 640042, 689276, 693602, 804713, 861595, 910829, 990860, 1149590, 1238020, 1280084, 1387204, 1600105, 1609426, 1723190, 1734005, 1821658, 2240147, 2299180, 3200210, 3218852, 3446380, 3468010, 3643316, 4023565, 4480294, 4554145, 6375803, 6400420, 6936020, 8047130, 8960588, 9108290, 11200735, 11840777, 12751606, 16094260, 18216580, 22401470, 23681554, 25503212, 31879015, 44802940, 47363108, 59203885, 63758030, 82885439, 118407770, 127516060, 165770878, 236815540, 331541756, 414427195, 828854390, 1657708780]

約数ペア:

[(1, 1657708780), (2, 828854390), (4, 414427195), (5, 331541756), (7, 236815540), (10, 165770878), (13, 127516060), (14, 118407770), (20, 82885439), (26, 63758030), (28, 59203885), (35, 47363108), (37, 44802940), (52, 31879015), (65, 25503212), (70, 23681554), (74, 22401470), (91, 18216580), (103, 16094260), (130, 12751606), (140, 11840777), (148, 11200735), (182, 9108290), (185, 8960588), (206, 8047130), (239, 6936020), (259, 6400420), (260, 6375803), (364, 4554145), (370, 4480294), (412, 4023565), (455, 3643316), (478, 3468010), (481, 3446380), (515, 3218852), (518, 3200210), (721, 2299180), (740, 2240147), (910, 1821658), (956, 1734005), (962, 1723190), (1030, 1609426), (1036, 1600105), (1195, 1387204), (1295, 1280084), (1339, 1238020), (1442, 1149590), (1673, 990860), (1820, 910829), (1924, 861595), (2060, 804713), (2390, 693602), (2405, 689276), (2590, 640042), (2678, 619010), (2884, 574795), (3107, 533540), (3346, 495430), (3367, 492340), (3605, 459836), (3811, 434980), (4780, 346801), (4810, 344638), (5180, 320021), (5356, 309505), (6214, 266770), (6692, 247715), (6695, 247604), (6734, 246170), (7210, 229918), (7622, 217490), (8365, 198172), (8843, 187460), (9373, 176860), (9620, 172319), (12428, 133385), (13390, 123802), (13468, 123085), (14420, 114959), (15244, 108745), (15535, 106708), (16730, 99086), (16835, 98468), (17686, 93730), (18746, 88430), (19055, 86996), (21749, 76220), (24617, 67340), (26677, 62140), (26780, 61901), (31070, 53354), (33460, 49543), (33670, 49234), (35372, 46865), (37492, 44215), (38110, 43498)]