19914480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1627}}^1$

素因数の和:1663

約数の個数: 120

約数和(自身を含む): 70857072

約数和(自身を除く): 50942592

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, 1627, 2040, 2448, 3060, 3254, 4080, 4881, 6120, 6508, 8135, 9762, 12240, 13016, 14643, 16270, 19524, 24405, 26032, 27659, 29286, 32540, 39048, 48810, 55318, 58572, 65080, 73215, 78096, 82977, 97620, 110636, 117144, 130160, 138295, 146430, 165954, 195240, 221272, 234288, 248931, 276590, 292860, 331908, 390480, 414885, 442544, 497862, 553180, 585720, 663816, 829770, 995724, 1106360, 1171440, 1244655, 1327632, 1659540, 1991448, 2212720, 2489310, 3319080, 3982896, 4978620, 6638160, 9957240, 19914480]

約数ペア:

[(1, 19914480), (2, 9957240), (3, 6638160), (4, 4978620), (5, 3982896), (6, 3319080), (8, 2489310), (9, 2212720), (10, 1991448), (12, 1659540), (15, 1327632), (16, 1244655), (17, 1171440), (18, 1106360), (20, 995724), (24, 829770), (30, 663816), (34, 585720), (36, 553180), (40, 497862), (45, 442544), (48, 414885), (51, 390480), (60, 331908), (68, 292860), (72, 276590), (80, 248931), (85, 234288), (90, 221272), (102, 195240), (120, 165954), (136, 146430), (144, 138295), (153, 130160), (170, 117144), (180, 110636), (204, 97620), (240, 82977), (255, 78096), (272, 73215), (306, 65080), (340, 58572), (360, 55318), (408, 48810), (510, 39048), (612, 32540), (680, 29286), (720, 27659), (765, 26032), (816, 24405), (1020, 19524), (1224, 16270), (1360, 14643), (1530, 13016), (1627, 12240), (2040, 9762), (2448, 8135), (3060, 6508), (3254, 6120), (4080, 4881)]