256826700

素因数分解:

$2^2\times 3^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:316

約数の個数: 252

約数和(自身を含む): 903185248

約数和(自身を除く): 646358548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 90, 100, 108, 117, 130, 135, 150, 156, 162, 180, 195, 225, 234, 243, 260, 270, 271, 300, 324, 325, 351, 390, 405, 450, 468, 486, 540, 542, 585, 650, 675, 702, 729, 780, 810, 813, 900, 972, 975, 1053, 1084, 1170, 1215, 1300, 1350, 1355, 1404, 1458, 1620, 1626, 1755, 1950, 2025, 2106, 2340, 2430, 2439, 2700, 2710, 2916, 2925, 3159, 3252, 3510, 3523, 3645, 3900, 4050, 4065, 4212, 4860, 4878, 5265, 5420, 5850, 6075, 6318, 6775, 7020, 7046, 7290, 7317, 8100, 8130, 8775, 9477, 9756, 10530, 10569, 11700, 12150, 12195, 12636, 13550, 14092, 14580, 14634, 15795, 16260, 17550, 17615, 18225, 18954, 20325, 21060, 21138, 21951, 24300, 24390, 26325, 27100, 29268, 31590, 31707, 35100, 35230, 36450, 36585, 37908, 40650, 42276, 43902, 47385, 48780, 52650, 52845, 60975, 63180, 63414, 65853, 70460, 72900, 73170, 78975, 81300, 87804, 88075, 94770, 95121, 105300, 105690, 109755, 121950, 126828, 131706, 146340, 157950, 158535, 176150, 182925, 189540, 190242, 197559, 211380, 219510, 236925, 243900, 263412, 264225, 285363, 315900, 317070, 329265, 352300, 365850, 380484, 395118, 439020, 473850, 475605, 528450, 548775, 570726, 634140, 658530, 731700, 790236, 792675, 856089, 947700, 951210, 987795, 1056900, 1097550, 1141452, 1317060, 1426815, 1585350, 1646325, 1712178, 1902420, 1975590, 2195100, 2378025, 2568267, 2853630, 3170700, 3292650, 3424356, 3951180, 4280445, 4756050, 4938975, 5136534, 5707260, 6585300, 7134075, 8560890, 9512100, 9877950, 10273068, 12841335, 14268150, 17121780, 19755900, 21402225, 25682670, 28536300, 42804450, 51365340, 64206675, 85608900, 128413350, 256826700]

約数ペア:

[(1, 256826700), (2, 128413350), (3, 85608900), (4, 64206675), (5, 51365340), (6, 42804450), (9, 28536300), (10, 25682670), (12, 21402225), (13, 19755900), (15, 17121780), (18, 14268150), (20, 12841335), (25, 10273068), (26, 9877950), (27, 9512100), (30, 8560890), (36, 7134075), (39, 6585300), (45, 5707260), (50, 5136534), (52, 4938975), (54, 4756050), (60, 4280445), (65, 3951180), (75, 3424356), (78, 3292650), (81, 3170700), (90, 2853630), (100, 2568267), (108, 2378025), (117, 2195100), (130, 1975590), (135, 1902420), (150, 1712178), (156, 1646325), (162, 1585350), (180, 1426815), (195, 1317060), (225, 1141452), (234, 1097550), (243, 1056900), (260, 987795), (270, 951210), (271, 947700), (300, 856089), (324, 792675), (325, 790236), (351, 731700), (390, 658530), (405, 634140), (450, 570726), (468, 548775), (486, 528450), (540, 475605), (542, 473850), (585, 439020), (650, 395118), (675, 380484), (702, 365850), (729, 352300), (780, 329265), (810, 317070), (813, 315900), (900, 285363), (972, 264225), (975, 263412), (1053, 243900), (1084, 236925), (1170, 219510), (1215, 211380), (1300, 197559), (1350, 190242), (1355, 189540), (1404, 182925), (1458, 176150), (1620, 158535), (1626, 157950), (1755, 146340), (1950, 131706), (2025, 126828), (2106, 121950), (2340, 109755), (2430, 105690), (2439, 105300), (2700, 95121), (2710, 94770), (2916, 88075), (2925, 87804), (3159, 81300), (3252, 78975), (3510, 73170), (3523, 72900), (3645, 70460), (3900, 65853), (4050, 63414), (4065, 63180), (4212, 60975), (4860, 52845), (4878, 52650), (5265, 48780), (5420, 47385), (5850, 43902), (6075, 42276), (6318, 40650), (6775, 37908), (7020, 36585), (7046, 36450), (7290, 35230), (7317, 35100), (8100, 31707), (8130, 31590), (8775, 29268), (9477, 27100), (9756, 26325), (10530, 24390), (10569, 24300), (11700, 21951), (12150, 21138), (12195, 21060), (12636, 20325), (13550, 18954), (14092, 18225), (14580, 17615), (14634, 17550), (15795, 16260)]