20160820240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{1259}}^1$

素因数の和:1901

約数の個数: 160

約数和(自身を含む): 52916613120

約数和(自身を除く): 32755792880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 587, 620, 682, 880, 1174, 1240, 1259, 1364, 1705, 2348, 2480, 2518, 2728, 2935, 3410, 4696, 5036, 5456, 5870, 6295, 6457, 6820, 9392, 10072, 11740, 12590, 12914, 13640, 13849, 18197, 20144, 23480, 25180, 25828, 27280, 27698, 32285, 36394, 39029, 46960, 50360, 51656, 55396, 64570, 69245, 72788, 78058, 90985, 100720, 103312, 110792, 129140, 138490, 145576, 156116, 181970, 195145, 200167, 221584, 258280, 276980, 291152, 312232, 363940, 390290, 400334, 429319, 516560, 553960, 624464, 727880, 739033, 780580, 800668, 858638, 1000835, 1107920, 1455760, 1478066, 1561160, 1601336, 1717276, 2001670, 2146595, 2956132, 3122320, 3202672, 3434552, 3695165, 4003340, 4293190, 5912264, 6869104, 7390330, 8006680, 8129363, 8586380, 11824528, 14780660, 16013360, 16258726, 17172760, 22910023, 29561320, 32517452, 34345520, 40646815, 45820046, 59122640, 65034904, 81293630, 91640092, 114550115, 130069808, 162587260, 183280184, 229100230, 252010253, 325174520, 366560368, 458200460, 504020506, 650349040, 916400920, 1008041012, 1260051265, 1832801840, 2016082024, 2520102530, 4032164048, 5040205060, 10080410120, 20160820240]

約数ペア:

[(1, 20160820240), (2, 10080410120), (4, 5040205060), (5, 4032164048), (8, 2520102530), (10, 2016082024), (11, 1832801840), (16, 1260051265), (20, 1008041012), (22, 916400920), (31, 650349040), (40, 504020506), (44, 458200460), (55, 366560368), (62, 325174520), (80, 252010253), (88, 229100230), (110, 183280184), (124, 162587260), (155, 130069808), (176, 114550115), (220, 91640092), (248, 81293630), (310, 65034904), (341, 59122640), (440, 45820046), (496, 40646815), (587, 34345520), (620, 32517452), (682, 29561320), (880, 22910023), (1174, 17172760), (1240, 16258726), (1259, 16013360), (1364, 14780660), (1705, 11824528), (2348, 8586380), (2480, 8129363), (2518, 8006680), (2728, 7390330), (2935, 6869104), (3410, 5912264), (4696, 4293190), (5036, 4003340), (5456, 3695165), (5870, 3434552), (6295, 3202672), (6457, 3122320), (6820, 2956132), (9392, 2146595), (10072, 2001670), (11740, 1717276), (12590, 1601336), (12914, 1561160), (13640, 1478066), (13849, 1455760), (18197, 1107920), (20144, 1000835), (23480, 858638), (25180, 800668), (25828, 780580), (27280, 739033), (27698, 727880), (32285, 624464), (36394, 553960), (39029, 516560), (46960, 429319), (50360, 400334), (51656, 390290), (55396, 363940), (64570, 312232), (69245, 291152), (72788, 276980), (78058, 258280), (90985, 221584), (100720, 200167), (103312, 195145), (110792, 181970), (129140, 156116), (138490, 145576)]