721105840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{99053}}^1$

素因数の和:99086

約数の個数: 80

約数和(自身を含む): 2063492928

約数和(自身を除く): 1342387088

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 99053, 198106, 396212, 495265, 693371, 792424, 990530, 1287689, 1386742, 1584848, 1981060, 2575378, 2773484, 3466855, 3962120, 5150756, 5546968, 6438445, 6933710, 7924240, 9013823, 10301512, 11093936, 12876890, 13867420, 18027646, 20603024, 25753780, 27734840, 36055292, 45069115, 51507560, 55469680, 72110584, 90138230, 103015120, 144221168, 180276460, 360552920, 721105840]

約数ペア:

[(1, 721105840), (2, 360552920), (4, 180276460), (5, 144221168), (7, 103015120), (8, 90138230), (10, 72110584), (13, 55469680), (14, 51507560), (16, 45069115), (20, 36055292), (26, 27734840), (28, 25753780), (35, 20603024), (40, 18027646), (52, 13867420), (56, 12876890), (65, 11093936), (70, 10301512), (80, 9013823), (91, 7924240), (104, 6933710), (112, 6438445), (130, 5546968), (140, 5150756), (182, 3962120), (208, 3466855), (260, 2773484), (280, 2575378), (364, 1981060), (455, 1584848), (520, 1386742), (560, 1287689), (728, 990530), (910, 792424), (1040, 693371), (1456, 495265), (1820, 396212), (3640, 198106), (7280, 99053)]