1001880720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81853}}^1$

素因数の和:81889

約数の個数: 120

約数和(自身を含む): 3562613496

約数和(自身を除く): 2560732776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 81853, 163706, 245559, 327412, 409265, 491118, 654824, 736677, 818530, 982236, 1227795, 1309648, 1391501, 1473354, 1637060, 1964472, 2455590, 2783002, 2946708, 3274120, 3683385, 3928944, 4174503, 4911180, 5566004, 5893416, 6548240, 6957505, 7366770, 8349006, 9822360, 11132008, 11786832, 12523509, 13915010, 14733540, 16698012, 19644720, 20872515, 22264016, 25047018, 27830020, 29467080, 33396024, 41745030, 50094036, 55660040, 58934160, 62617545, 66792048, 83490060, 100188072, 111320080, 125235090, 166980120, 200376144, 250470180, 333960240, 500940360, 1001880720]

約数ペア:

[(1, 1001880720), (2, 500940360), (3, 333960240), (4, 250470180), (5, 200376144), (6, 166980120), (8, 125235090), (9, 111320080), (10, 100188072), (12, 83490060), (15, 66792048), (16, 62617545), (17, 58934160), (18, 55660040), (20, 50094036), (24, 41745030), (30, 33396024), (34, 29467080), (36, 27830020), (40, 25047018), (45, 22264016), (48, 20872515), (51, 19644720), (60, 16698012), (68, 14733540), (72, 13915010), (80, 12523509), (85, 11786832), (90, 11132008), (102, 9822360), (120, 8349006), (136, 7366770), (144, 6957505), (153, 6548240), (170, 5893416), (180, 5566004), (204, 4911180), (240, 4174503), (255, 3928944), (272, 3683385), (306, 3274120), (340, 2946708), (360, 2783002), (408, 2455590), (510, 1964472), (612, 1637060), (680, 1473354), (720, 1391501), (765, 1309648), (816, 1227795), (1020, 982236), (1224, 818530), (1360, 736677), (1530, 654824), (2040, 491118), (2448, 409265), (3060, 327412), (4080, 245559), (6120, 163706), (12240, 81853)]