217404840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 256

約数和(自身を含む): 746496000

約数和(自身を除く): 529091160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 71, 76, 79, 85, 95, 102, 114, 120, 136, 142, 152, 158, 170, 190, 204, 213, 228, 237, 255, 284, 285, 316, 323, 340, 355, 380, 395, 408, 426, 456, 474, 510, 568, 570, 632, 646, 680, 710, 760, 790, 852, 948, 969, 1020, 1065, 1140, 1185, 1207, 1292, 1343, 1349, 1420, 1501, 1580, 1615, 1704, 1896, 1938, 2040, 2130, 2280, 2370, 2414, 2584, 2686, 2698, 2840, 3002, 3160, 3230, 3621, 3876, 4029, 4047, 4260, 4503, 4740, 4828, 4845, 5372, 5396, 5609, 6004, 6035, 6460, 6715, 6745, 7242, 7505, 7752, 8058, 8094, 8520, 9006, 9480, 9656, 9690, 10744, 10792, 11218, 12008, 12070, 12920, 13430, 13490, 14484, 15010, 16116, 16188, 16827, 18012, 18105, 19380, 20145, 20235, 22436, 22515, 22933, 24140, 25517, 26860, 26980, 28045, 28968, 30020, 32232, 32376, 33654, 36024, 36210, 38760, 40290, 40470, 44872, 45030, 45866, 48280, 51034, 53720, 53960, 56090, 60040, 67308, 68799, 72420, 76551, 80580, 80940, 84135, 90060, 91732, 95353, 102068, 106571, 112180, 114665, 127585, 134616, 137598, 144840, 153102, 161160, 161880, 168270, 180120, 183464, 190706, 204136, 213142, 224360, 229330, 255170, 275196, 286059, 306204, 319713, 336540, 343995, 381412, 382755, 426284, 458660, 476765, 510340, 532855, 550392, 572118, 612408, 639426, 673080, 687990, 762824, 765510, 852568, 917320, 953530, 1020680, 1065710, 1144236, 1278852, 1375980, 1430295, 1531020, 1598565, 1811707, 1907060, 2131420, 2288472, 2557704, 2751960, 2860590, 3062040, 3197130, 3623414, 3814120, 4262840, 5435121, 5721180, 6394260, 7246828, 9058535, 10870242, 11442360, 12788520, 14493656, 18117070, 21740484, 27175605, 36234140, 43480968, 54351210, 72468280, 108702420, 217404840]

約数ペア:

[(1, 217404840), (2, 108702420), (3, 72468280), (4, 54351210), (5, 43480968), (6, 36234140), (8, 27175605), (10, 21740484), (12, 18117070), (15, 14493656), (17, 12788520), (19, 11442360), (20, 10870242), (24, 9058535), (30, 7246828), (34, 6394260), (38, 5721180), (40, 5435121), (51, 4262840), (57, 3814120), (60, 3623414), (68, 3197130), (71, 3062040), (76, 2860590), (79, 2751960), (85, 2557704), (95, 2288472), (102, 2131420), (114, 1907060), (120, 1811707), (136, 1598565), (142, 1531020), (152, 1430295), (158, 1375980), (170, 1278852), (190, 1144236), (204, 1065710), (213, 1020680), (228, 953530), (237, 917320), (255, 852568), (284, 765510), (285, 762824), (316, 687990), (323, 673080), (340, 639426), (355, 612408), (380, 572118), (395, 550392), (408, 532855), (426, 510340), (456, 476765), (474, 458660), (510, 426284), (568, 382755), (570, 381412), (632, 343995), (646, 336540), (680, 319713), (710, 306204), (760, 286059), (790, 275196), (852, 255170), (948, 229330), (969, 224360), (1020, 213142), (1065, 204136), (1140, 190706), (1185, 183464), (1207, 180120), (1292, 168270), (1343, 161880), (1349, 161160), (1420, 153102), (1501, 144840), (1580, 137598), (1615, 134616), (1704, 127585), (1896, 114665), (1938, 112180), (2040, 106571), (2130, 102068), (2280, 95353), (2370, 91732), (2414, 90060), (2584, 84135), (2686, 80940), (2698, 80580), (2840, 76551), (3002, 72420), (3160, 68799), (3230, 67308), (3621, 60040), (3876, 56090), (4029, 53960), (4047, 53720), (4260, 51034), (4503, 48280), (4740, 45866), (4828, 45030), (4845, 44872), (5372, 40470), (5396, 40290), (5609, 38760), (6004, 36210), (6035, 36024), (6460, 33654), (6715, 32376), (6745, 32232), (7242, 30020), (7505, 28968), (7752, 28045), (8058, 26980), (8094, 26860), (8520, 25517), (9006, 24140), (9480, 22933), (9656, 22515), (9690, 22436), (10744, 20235), (10792, 20145), (11218, 19380), (12008, 18105), (12070, 18012), (12920, 16827), (13430, 16188), (13490, 16116), (14484, 15010)]