489711180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:784

約数の個数: 192

約数和(自身を含む): 1677376512

約数和(自身を除く): 1187665332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 107, 119, 140, 170, 204, 210, 214, 238, 255, 321, 340, 357, 420, 428, 476, 510, 535, 595, 641, 642, 714, 749, 1020, 1070, 1190, 1282, 1284, 1428, 1498, 1605, 1785, 1819, 1923, 2140, 2247, 2380, 2564, 2996, 3205, 3210, 3570, 3638, 3745, 3846, 4487, 4494, 5457, 6410, 6420, 7140, 7276, 7490, 7692, 8974, 8988, 9095, 9615, 10897, 10914, 11235, 12733, 12820, 13461, 14980, 17948, 18190, 19230, 21794, 21828, 22435, 22470, 25466, 26922, 27285, 32691, 36380, 38199, 38460, 43588, 44870, 44940, 50932, 53844, 54485, 54570, 63665, 65382, 67305, 68587, 76279, 76398, 89740, 108970, 109140, 127330, 130764, 134610, 137174, 152558, 152796, 163455, 190995, 205761, 217940, 228837, 254660, 269220, 274348, 305116, 326910, 342935, 381395, 381990, 411522, 457674, 480109, 653820, 685870, 762790, 763980, 823044, 915348, 960218, 1028805, 1144185, 1165979, 1371740, 1440327, 1525580, 1920436, 2057610, 2288370, 2331958, 2400545, 2880654, 3497937, 4115220, 4576740, 4663916, 4801090, 5761308, 5829895, 6995874, 7201635, 8161853, 9602180, 11659790, 13991748, 14403270, 16323706, 17489685, 23319580, 24485559, 28806540, 32647412, 34979370, 40809265, 48971118, 69958740, 81618530, 97942236, 122427795, 163237060, 244855590, 489711180]

約数ペア:

[(1, 489711180), (2, 244855590), (3, 163237060), (4, 122427795), (5, 97942236), (6, 81618530), (7, 69958740), (10, 48971118), (12, 40809265), (14, 34979370), (15, 32647412), (17, 28806540), (20, 24485559), (21, 23319580), (28, 17489685), (30, 16323706), (34, 14403270), (35, 13991748), (42, 11659790), (51, 9602180), (60, 8161853), (68, 7201635), (70, 6995874), (84, 5829895), (85, 5761308), (102, 4801090), (105, 4663916), (107, 4576740), (119, 4115220), (140, 3497937), (170, 2880654), (204, 2400545), (210, 2331958), (214, 2288370), (238, 2057610), (255, 1920436), (321, 1525580), (340, 1440327), (357, 1371740), (420, 1165979), (428, 1144185), (476, 1028805), (510, 960218), (535, 915348), (595, 823044), (641, 763980), (642, 762790), (714, 685870), (749, 653820), (1020, 480109), (1070, 457674), (1190, 411522), (1282, 381990), (1284, 381395), (1428, 342935), (1498, 326910), (1605, 305116), (1785, 274348), (1819, 269220), (1923, 254660), (2140, 228837), (2247, 217940), (2380, 205761), (2564, 190995), (2996, 163455), (3205, 152796), (3210, 152558), (3570, 137174), (3638, 134610), (3745, 130764), (3846, 127330), (4487, 109140), (4494, 108970), (5457, 89740), (6410, 76398), (6420, 76279), (7140, 68587), (7276, 67305), (7490, 65382), (7692, 63665), (8974, 54570), (8988, 54485), (9095, 53844), (9615, 50932), (10897, 44940), (10914, 44870), (11235, 43588), (12733, 38460), (12820, 38199), (13461, 36380), (14980, 32691), (17948, 27285), (18190, 26922), (19230, 25466), (21794, 22470), (21828, 22435)]