245383440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:609

約数の個数: 160

約数和(自身を含む): 813162240

約数和(自身を除く): 567778800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 137, 170, 204, 240, 255, 272, 274, 340, 408, 411, 439, 510, 548, 680, 685, 816, 822, 878, 1020, 1096, 1317, 1360, 1370, 1644, 1756, 2040, 2055, 2192, 2195, 2329, 2634, 2740, 3288, 3512, 4080, 4110, 4390, 4658, 5268, 5480, 6576, 6585, 6987, 7024, 7463, 8220, 8780, 9316, 10536, 10960, 11645, 13170, 13974, 14926, 16440, 17560, 18632, 21072, 22389, 23290, 26340, 27948, 29852, 32880, 34935, 35120, 37264, 37315, 44778, 46580, 52680, 55896, 59704, 60143, 69870, 74630, 89556, 93160, 105360, 111792, 111945, 119408, 120286, 139740, 149260, 179112, 180429, 186320, 223890, 240572, 279480, 298520, 300715, 358224, 360858, 447780, 481144, 558960, 597040, 601430, 721716, 895560, 902145, 962288, 1022431, 1202860, 1443432, 1791120, 1804290, 2044862, 2405720, 2886864, 3067293, 3608580, 4089724, 4811440, 5112155, 6134586, 7217160, 8179448, 10224310, 12269172, 14434320, 15336465, 16358896, 20448620, 24538344, 30672930, 40897240, 49076688, 61345860, 81794480, 122691720, 245383440]

約数ペア:

[(1, 245383440), (2, 122691720), (3, 81794480), (4, 61345860), (5, 49076688), (6, 40897240), (8, 30672930), (10, 24538344), (12, 20448620), (15, 16358896), (16, 15336465), (17, 14434320), (20, 12269172), (24, 10224310), (30, 8179448), (34, 7217160), (40, 6134586), (48, 5112155), (51, 4811440), (60, 4089724), (68, 3608580), (80, 3067293), (85, 2886864), (102, 2405720), (120, 2044862), (136, 1804290), (137, 1791120), (170, 1443432), (204, 1202860), (240, 1022431), (255, 962288), (272, 902145), (274, 895560), (340, 721716), (408, 601430), (411, 597040), (439, 558960), (510, 481144), (548, 447780), (680, 360858), (685, 358224), (816, 300715), (822, 298520), (878, 279480), (1020, 240572), (1096, 223890), (1317, 186320), (1360, 180429), (1370, 179112), (1644, 149260), (1756, 139740), (2040, 120286), (2055, 119408), (2192, 111945), (2195, 111792), (2329, 105360), (2634, 93160), (2740, 89556), (3288, 74630), (3512, 69870), (4080, 60143), (4110, 59704), (4390, 55896), (4658, 52680), (5268, 46580), (5480, 44778), (6576, 37315), (6585, 37264), (6987, 35120), (7024, 34935), (7463, 32880), (8220, 29852), (8780, 27948), (9316, 26340), (10536, 23290), (10960, 22389), (11645, 21072), (13170, 18632), (13974, 17560), (14926, 16440)]