2778480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 9923472

約数和(自身を除く): 7144992

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, 227, 240, 255, 272, 306, 340, 360, 408, 454, 510, 612, 680, 681, 720, 765, 816, 908, 1020, 1135, 1224, 1360, 1362, 1530, 1816, 2040, 2043, 2270, 2448, 2724, 3060, 3405, 3632, 3859, 4080, 4086, 4540, 5448, 6120, 6810, 7718, 8172, 9080, 10215, 10896, 11577, 12240, 13620, 15436, 16344, 18160, 19295, 20430, 23154, 27240, 30872, 32688, 34731, 38590, 40860, 46308, 54480, 57885, 61744, 69462, 77180, 81720, 92616, 115770, 138924, 154360, 163440, 173655, 185232, 231540, 277848, 308720, 347310, 463080, 555696, 694620, 926160, 1389240, 2778480]

約数ペア:

[(1, 2778480), (2, 1389240), (3, 926160), (4, 694620), (5, 555696), (6, 463080), (8, 347310), (9, 308720), (10, 277848), (12, 231540), (15, 185232), (16, 173655), (17, 163440), (18, 154360), (20, 138924), (24, 115770), (30, 92616), (34, 81720), (36, 77180), (40, 69462), (45, 61744), (48, 57885), (51, 54480), (60, 46308), (68, 40860), (72, 38590), (80, 34731), (85, 32688), (90, 30872), (102, 27240), (120, 23154), (136, 20430), (144, 19295), (153, 18160), (170, 16344), (180, 15436), (204, 13620), (227, 12240), (240, 11577), (255, 10896), (272, 10215), (306, 9080), (340, 8172), (360, 7718), (408, 6810), (454, 6120), (510, 5448), (612, 4540), (680, 4086), (681, 4080), (720, 3859), (765, 3632), (816, 3405), (908, 3060), (1020, 2724), (1135, 2448), (1224, 2270), (1360, 2043), (1362, 2040), (1530, 1816)]