1916401620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:782

約数の個数: 192

約数和(自身を含む): 6291597312

約数和(自身を除く): 4375195692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 131, 140, 183, 210, 244, 262, 305, 366, 393, 420, 427, 524, 571, 610, 655, 732, 786, 854, 915, 917, 1142, 1220, 1281, 1310, 1572, 1708, 1713, 1830, 1834, 1965, 2135, 2284, 2562, 2620, 2751, 2855, 3426, 3660, 3668, 3930, 3997, 4270, 4585, 5124, 5502, 5710, 6405, 6852, 7860, 7991, 7994, 8540, 8565, 9170, 11004, 11420, 11991, 12810, 13755, 15982, 15988, 17130, 18340, 19985, 23973, 23982, 25620, 27510, 31964, 34260, 34831, 39955, 39970, 47946, 47964, 55020, 55937, 59955, 69662, 74801, 79910, 79940, 95892, 104493, 111874, 119865, 119910, 139324, 149602, 159820, 167811, 174155, 208986, 223748, 224403, 239730, 239820, 243817, 279685, 299204, 335622, 348310, 374005, 417972, 448806, 479460, 487634, 522465, 523607, 559370, 671244, 696620, 731451, 748010, 839055, 897612, 975268, 1044930, 1047214, 1118740, 1122015, 1219085, 1462902, 1496020, 1570821, 1678110, 2089860, 2094428, 2244030, 2438170, 2618035, 2925804, 3141642, 3356220, 3657255, 4488060, 4562861, 4876340, 5236070, 6283284, 7314510, 7854105, 9125722, 10472140, 13688583, 14629020, 15708210, 18251444, 22814305, 27377166, 31416420, 31940027, 45628610, 54754332, 63880054, 68442915, 91257220, 95820081, 127760108, 136885830, 159700135, 191640162, 273771660, 319400270, 383280324, 479100405, 638800540, 958200810, 1916401620]

約数ペア:

[(1, 1916401620), (2, 958200810), (3, 638800540), (4, 479100405), (5, 383280324), (6, 319400270), (7, 273771660), (10, 191640162), (12, 159700135), (14, 136885830), (15, 127760108), (20, 95820081), (21, 91257220), (28, 68442915), (30, 63880054), (35, 54754332), (42, 45628610), (60, 31940027), (61, 31416420), (70, 27377166), (84, 22814305), (105, 18251444), (122, 15708210), (131, 14629020), (140, 13688583), (183, 10472140), (210, 9125722), (244, 7854105), (262, 7314510), (305, 6283284), (366, 5236070), (393, 4876340), (420, 4562861), (427, 4488060), (524, 3657255), (571, 3356220), (610, 3141642), (655, 2925804), (732, 2618035), (786, 2438170), (854, 2244030), (915, 2094428), (917, 2089860), (1142, 1678110), (1220, 1570821), (1281, 1496020), (1310, 1462902), (1572, 1219085), (1708, 1122015), (1713, 1118740), (1830, 1047214), (1834, 1044930), (1965, 975268), (2135, 897612), (2284, 839055), (2562, 748010), (2620, 731451), (2751, 696620), (2855, 671244), (3426, 559370), (3660, 523607), (3668, 522465), (3930, 487634), (3997, 479460), (4270, 448806), (4585, 417972), (5124, 374005), (5502, 348310), (5710, 335622), (6405, 299204), (6852, 279685), (7860, 243817), (7991, 239820), (7994, 239730), (8540, 224403), (8565, 223748), (9170, 208986), (11004, 174155), (11420, 167811), (11991, 159820), (12810, 149602), (13755, 139324), (15982, 119910), (15988, 119865), (17130, 111874), (18340, 104493), (19985, 95892), (23973, 79940), (23982, 79910), (25620, 74801), (27510, 69662), (31964, 59955), (34260, 55937), (34831, 55020), (39955, 47964), (39970, 47946)]