80180640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55681}}^1$

素因数の和:55702

約数の個数: 72

約数和(自身を含む): 273621348

約数和(自身を除く): 193440708

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 55681, 111362, 167043, 222724, 278405, 334086, 445448, 501129, 556810, 668172, 835215, 890896, 1002258, 1113620, 1336344, 1670430, 1781792, 2004516, 2227240, 2505645, 2672688, 3340860, 4009032, 4454480, 5011290, 5345376, 6681720, 8018064, 8908960, 10022580, 13363440, 16036128, 20045160, 26726880, 40090320, 80180640]

約数ペア:

[(1, 80180640), (2, 40090320), (3, 26726880), (4, 20045160), (5, 16036128), (6, 13363440), (8, 10022580), (9, 8908960), (10, 8018064), (12, 6681720), (15, 5345376), (16, 5011290), (18, 4454480), (20, 4009032), (24, 3340860), (30, 2672688), (32, 2505645), (36, 2227240), (40, 2004516), (45, 1781792), (48, 1670430), (60, 1336344), (72, 1113620), (80, 1002258), (90, 890896), (96, 835215), (120, 668172), (144, 556810), (160, 501129), (180, 445448), (240, 334086), (288, 278405), (360, 222724), (480, 167043), (720, 111362), (1440, 55681)]