55199560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 145555200

約数和(自身を除く): 90355640

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 37, 38, 40, 52, 65, 74, 76, 95, 104, 130, 148, 151, 152, 185, 190, 247, 260, 296, 302, 370, 380, 481, 494, 520, 604, 703, 740, 755, 760, 962, 988, 1208, 1235, 1406, 1480, 1510, 1924, 1963, 1976, 2405, 2470, 2812, 2869, 3020, 3515, 3848, 3926, 4810, 4940, 5587, 5624, 5738, 6040, 7030, 7852, 9139, 9620, 9815, 9880, 11174, 11476, 14060, 14345, 15704, 18278, 19240, 19630, 22348, 22952, 27935, 28120, 28690, 36556, 37297, 39260, 44696, 45695, 55870, 57380, 72631, 73112, 74594, 78520, 91390, 106153, 111740, 114760, 145262, 149188, 182780, 186485, 212306, 223480, 290524, 298376, 363155, 365560, 372970, 424612, 530765, 581048, 726310, 745940, 849224, 1061530, 1379989, 1452620, 1491880, 2123060, 2759978, 2905240, 4246120, 5519956, 6899945, 11039912, 13799890, 27599780, 55199560]

約数ペア:

[(1, 55199560), (2, 27599780), (4, 13799890), (5, 11039912), (8, 6899945), (10, 5519956), (13, 4246120), (19, 2905240), (20, 2759978), (26, 2123060), (37, 1491880), (38, 1452620), (40, 1379989), (52, 1061530), (65, 849224), (74, 745940), (76, 726310), (95, 581048), (104, 530765), (130, 424612), (148, 372970), (151, 365560), (152, 363155), (185, 298376), (190, 290524), (247, 223480), (260, 212306), (296, 186485), (302, 182780), (370, 149188), (380, 145262), (481, 114760), (494, 111740), (520, 106153), (604, 91390), (703, 78520), (740, 74594), (755, 73112), (760, 72631), (962, 57380), (988, 55870), (1208, 45695), (1235, 44696), (1406, 39260), (1480, 37297), (1510, 36556), (1924, 28690), (1963, 28120), (1976, 27935), (2405, 22952), (2470, 22348), (2812, 19630), (2869, 19240), (3020, 18278), (3515, 15704), (3848, 14345), (3926, 14060), (4810, 11476), (4940, 11174), (5587, 9880), (5624, 9815), (5738, 9620), (6040, 9139), (7030, 7852)]