243465840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19891}}^1$

素因数の和:19927

約数の個数: 120

約数和(自身を含む): 865779408

約数和(自身を除く): 622313568

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, 19891, 39782, 59673, 79564, 99455, 119346, 159128, 179019, 198910, 238692, 298365, 318256, 338147, 358038, 397820, 477384, 596730, 676294, 716076, 795640, 895095, 954768, 1014441, 1193460, 1352588, 1432152, 1591280, 1690735, 1790190, 2028882, 2386920, 2705176, 2864304, 3043323, 3381470, 3580380, 4057764, 4773840, 5072205, 5410352, 6086646, 6762940, 7160760, 8115528, 10144410, 12173292, 13525880, 14321520, 15216615, 16231056, 20288820, 24346584, 27051760, 30433230, 40577640, 48693168, 60866460, 81155280, 121732920, 243465840]

約数ペア:

[(1, 243465840), (2, 121732920), (3, 81155280), (4, 60866460), (5, 48693168), (6, 40577640), (8, 30433230), (9, 27051760), (10, 24346584), (12, 20288820), (15, 16231056), (16, 15216615), (17, 14321520), (18, 13525880), (20, 12173292), (24, 10144410), (30, 8115528), (34, 7160760), (36, 6762940), (40, 6086646), (45, 5410352), (48, 5072205), (51, 4773840), (60, 4057764), (68, 3580380), (72, 3381470), (80, 3043323), (85, 2864304), (90, 2705176), (102, 2386920), (120, 2028882), (136, 1790190), (144, 1690735), (153, 1591280), (170, 1432152), (180, 1352588), (204, 1193460), (240, 1014441), (255, 954768), (272, 895095), (306, 795640), (340, 716076), (360, 676294), (408, 596730), (510, 477384), (612, 397820), (680, 358038), (720, 338147), (765, 318256), (816, 298365), (1020, 238692), (1224, 198910), (1360, 179019), (1530, 159128), (2040, 119346), (2448, 99455), (3060, 79564), (4080, 59673), (6120, 39782), (12240, 19891)]