208763880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1011

約数の個数: 128

約数和(自身を含む): 679432320

約数和(自身を除く): 470668440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 163, 195, 260, 312, 326, 390, 489, 520, 652, 780, 815, 821, 978, 1304, 1560, 1630, 1642, 1956, 2119, 2445, 2463, 3260, 3284, 3912, 4105, 4238, 4890, 4926, 6357, 6520, 6568, 8210, 8476, 9780, 9852, 10595, 10673, 12315, 12714, 16420, 16952, 19560, 19704, 21190, 21346, 24630, 25428, 31785, 32019, 32840, 42380, 42692, 49260, 50856, 53365, 63570, 64038, 84760, 85384, 98520, 106730, 127140, 128076, 133823, 160095, 213460, 254280, 256152, 267646, 320190, 401469, 426920, 535292, 640380, 669115, 802938, 1070584, 1280760, 1338230, 1605876, 1739699, 2007345, 2676460, 3211752, 3479398, 4014690, 5219097, 5352920, 6958796, 8029380, 8698495, 10438194, 13917592, 16058760, 17396990, 20876388, 26095485, 34793980, 41752776, 52190970, 69587960, 104381940, 208763880]

約数ペア:

[(1, 208763880), (2, 104381940), (3, 69587960), (4, 52190970), (5, 41752776), (6, 34793980), (8, 26095485), (10, 20876388), (12, 17396990), (13, 16058760), (15, 13917592), (20, 10438194), (24, 8698495), (26, 8029380), (30, 6958796), (39, 5352920), (40, 5219097), (52, 4014690), (60, 3479398), (65, 3211752), (78, 2676460), (104, 2007345), (120, 1739699), (130, 1605876), (156, 1338230), (163, 1280760), (195, 1070584), (260, 802938), (312, 669115), (326, 640380), (390, 535292), (489, 426920), (520, 401469), (652, 320190), (780, 267646), (815, 256152), (821, 254280), (978, 213460), (1304, 160095), (1560, 133823), (1630, 128076), (1642, 127140), (1956, 106730), (2119, 98520), (2445, 85384), (2463, 84760), (3260, 64038), (3284, 63570), (3912, 53365), (4105, 50856), (4238, 49260), (4890, 42692), (4926, 42380), (6357, 32840), (6520, 32019), (6568, 31785), (8210, 25428), (8476, 24630), (9780, 21346), (9852, 21190), (10595, 19704), (10673, 19560), (12315, 16952), (12714, 16420)]