257169900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 288

約数和(自身を含む): 867944448

約数和(自身を除く): 610774548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 47, 50, 52, 60, 61, 65, 69, 75, 78, 92, 94, 100, 115, 122, 130, 138, 141, 150, 156, 183, 188, 195, 230, 235, 244, 260, 276, 282, 299, 300, 305, 325, 345, 366, 390, 460, 470, 564, 575, 598, 610, 611, 650, 690, 705, 732, 780, 793, 897, 915, 940, 975, 1081, 1150, 1175, 1196, 1220, 1222, 1300, 1380, 1403, 1410, 1495, 1525, 1586, 1725, 1794, 1830, 1833, 1950, 2162, 2300, 2350, 2379, 2444, 2806, 2820, 2867, 2990, 3050, 3055, 3172, 3243, 3450, 3525, 3588, 3660, 3666, 3900, 3965, 4209, 4324, 4485, 4575, 4700, 4758, 5405, 5612, 5734, 5980, 6100, 6110, 6486, 6900, 7015, 7050, 7332, 7475, 7930, 8418, 8601, 8970, 9150, 9165, 9516, 10810, 11468, 11895, 12220, 12972, 14030, 14053, 14100, 14335, 14950, 15275, 15860, 16215, 16836, 17202, 17940, 18239, 18300, 18330, 19825, 21045, 21620, 22425, 23790, 27025, 28060, 28106, 28670, 29900, 30550, 32430, 34404, 35075, 36478, 36660, 37271, 39650, 42090, 42159, 43005, 44850, 45825, 47580, 54050, 54717, 56212, 57340, 59475, 61100, 64860, 65941, 70150, 70265, 71675, 72956, 74542, 79300, 81075, 84180, 84318, 86010, 89700, 91195, 91650, 105225, 108100, 109434, 111813, 118950, 131882, 140300, 140530, 143350, 149084, 162150, 168636, 172020, 182390, 183300, 186355, 197823, 210450, 210795, 215025, 218868, 223626, 237900, 263764, 273585, 281060, 286700, 324300, 329705, 351325, 364780, 372710, 395646, 420900, 421590, 430050, 447252, 455975, 547170, 559065, 659410, 702650, 745420, 791292, 843180, 857233, 860100, 911950, 931775, 989115, 1053975, 1094340, 1118130, 1318820, 1367925, 1405300, 1648525, 1714466, 1823900, 1863550, 1978230, 2107950, 2236260, 2571699, 2735850, 2795325, 3297050, 3428932, 3727100, 3956460, 4215900, 4286165, 4945575, 5143398, 5471700, 5590650, 6594100, 8572330, 9891150, 10286796, 11181300, 12858495, 17144660, 19782300, 21430825, 25716990, 42861650, 51433980, 64292475, 85723300, 128584950, 257169900]

約数ペア:

[(1, 257169900), (2, 128584950), (3, 85723300), (4, 64292475), (5, 51433980), (6, 42861650), (10, 25716990), (12, 21430825), (13, 19782300), (15, 17144660), (20, 12858495), (23, 11181300), (25, 10286796), (26, 9891150), (30, 8572330), (39, 6594100), (46, 5590650), (47, 5471700), (50, 5143398), (52, 4945575), (60, 4286165), (61, 4215900), (65, 3956460), (69, 3727100), (75, 3428932), (78, 3297050), (92, 2795325), (94, 2735850), (100, 2571699), (115, 2236260), (122, 2107950), (130, 1978230), (138, 1863550), (141, 1823900), (150, 1714466), (156, 1648525), (183, 1405300), (188, 1367925), (195, 1318820), (230, 1118130), (235, 1094340), (244, 1053975), (260, 989115), (276, 931775), (282, 911950), (299, 860100), (300, 857233), (305, 843180), (325, 791292), (345, 745420), (366, 702650), (390, 659410), (460, 559065), (470, 547170), (564, 455975), (575, 447252), (598, 430050), (610, 421590), (611, 420900), (650, 395646), (690, 372710), (705, 364780), (732, 351325), (780, 329705), (793, 324300), (897, 286700), (915, 281060), (940, 273585), (975, 263764), (1081, 237900), (1150, 223626), (1175, 218868), (1196, 215025), (1220, 210795), (1222, 210450), (1300, 197823), (1380, 186355), (1403, 183300), (1410, 182390), (1495, 172020), (1525, 168636), (1586, 162150), (1725, 149084), (1794, 143350), (1830, 140530), (1833, 140300), (1950, 131882), (2162, 118950), (2300, 111813), (2350, 109434), (2379, 108100), (2444, 105225), (2806, 91650), (2820, 91195), (2867, 89700), (2990, 86010), (3050, 84318), (3055, 84180), (3172, 81075), (3243, 79300), (3450, 74542), (3525, 72956), (3588, 71675), (3660, 70265), (3666, 70150), (3900, 65941), (3965, 64860), (4209, 61100), (4324, 59475), (4485, 57340), (4575, 56212), (4700, 54717), (4758, 54050), (5405, 47580), (5612, 45825), (5734, 44850), (5980, 43005), (6100, 42159), (6110, 42090), (6486, 39650), (6900, 37271), (7015, 36660), (7050, 36478), (7332, 35075), (7475, 34404), (7930, 32430), (8418, 30550), (8601, 29900), (8970, 28670), (9150, 28106), (9165, 28060), (9516, 27025), (10810, 23790), (11468, 22425), (11895, 21620), (12220, 21045), (12972, 19825), (14030, 18330), (14053, 18300), (14100, 18239), (14335, 17940), (14950, 17202), (15275, 16836), (15860, 16215)]