138545680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19031}}^1$

素因数の和:19064

約数の個数: 80

約数和(自身を含む): 396474624

約数和(自身を除く): 257928944

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, 19031, 38062, 76124, 95155, 133217, 152248, 190310, 247403, 266434, 304496, 380620, 494806, 532868, 666085, 761240, 989612, 1065736, 1237015, 1332170, 1522480, 1731821, 1979224, 2131472, 2474030, 2664340, 3463642, 3958448, 4948060, 5328680, 6927284, 8659105, 9896120, 10657360, 13854568, 17318210, 19792240, 27709136, 34636420, 69272840, 138545680]

約数ペア:

[(1, 138545680), (2, 69272840), (4, 34636420), (5, 27709136), (7, 19792240), (8, 17318210), (10, 13854568), (13, 10657360), (14, 9896120), (16, 8659105), (20, 6927284), (26, 5328680), (28, 4948060), (35, 3958448), (40, 3463642), (52, 2664340), (56, 2474030), (65, 2131472), (70, 1979224), (80, 1731821), (91, 1522480), (104, 1332170), (112, 1237015), (130, 1065736), (140, 989612), (182, 761240), (208, 666085), (260, 532868), (280, 494806), (364, 380620), (455, 304496), (520, 266434), (560, 247403), (728, 190310), (910, 152248), (1040, 133217), (1456, 95155), (1820, 76124), (3640, 38062), (7280, 19031)]