16143531280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:705

約数の個数: 160

約数和(自身を含む): 39288699648

約数和(自身を除く): 23145168368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 157, 172, 215, 284, 314, 344, 355, 421, 430, 568, 628, 688, 710, 785, 842, 860, 1136, 1256, 1420, 1570, 1684, 1720, 2105, 2512, 2840, 3053, 3140, 3368, 3440, 4210, 5680, 6106, 6280, 6736, 6751, 8420, 11147, 12212, 12560, 13502, 15265, 16840, 18103, 22294, 24424, 27004, 29891, 30530, 33680, 33755, 36206, 44588, 48848, 54008, 55735, 59782, 61060, 66097, 67510, 72412, 89176, 90515, 108016, 111470, 119564, 122120, 132194, 135020, 144824, 149455, 178352, 181030, 222940, 239128, 244240, 264388, 270040, 289648, 298910, 330485, 362060, 445880, 478256, 479321, 528776, 540080, 597820, 660970, 724120, 891760, 958642, 1057552, 1195640, 1285313, 1321940, 1448240, 1917284, 2391280, 2396605, 2570626, 2643880, 2842171, 3834568, 4692887, 4793210, 5141252, 5287760, 5684342, 6426565, 7669136, 9385774, 9586420, 10282504, 11368684, 12853130, 14210855, 18771548, 19172840, 20565008, 22737368, 23464435, 25706260, 28421710, 37543096, 38345680, 45474736, 46928870, 51412520, 56843420, 75086192, 93857740, 102825040, 113686840, 187715480, 201794141, 227373680, 375430960, 403588282, 807176564, 1008970705, 1614353128, 2017941410, 3228706256, 4035882820, 8071765640, 16143531280]

約数ペア:

[(1, 16143531280), (2, 8071765640), (4, 4035882820), (5, 3228706256), (8, 2017941410), (10, 1614353128), (16, 1008970705), (20, 807176564), (40, 403588282), (43, 375430960), (71, 227373680), (80, 201794141), (86, 187715480), (142, 113686840), (157, 102825040), (172, 93857740), (215, 75086192), (284, 56843420), (314, 51412520), (344, 46928870), (355, 45474736), (421, 38345680), (430, 37543096), (568, 28421710), (628, 25706260), (688, 23464435), (710, 22737368), (785, 20565008), (842, 19172840), (860, 18771548), (1136, 14210855), (1256, 12853130), (1420, 11368684), (1570, 10282504), (1684, 9586420), (1720, 9385774), (2105, 7669136), (2512, 6426565), (2840, 5684342), (3053, 5287760), (3140, 5141252), (3368, 4793210), (3440, 4692887), (4210, 3834568), (5680, 2842171), (6106, 2643880), (6280, 2570626), (6736, 2396605), (6751, 2391280), (8420, 1917284), (11147, 1448240), (12212, 1321940), (12560, 1285313), (13502, 1195640), (15265, 1057552), (16840, 958642), (18103, 891760), (22294, 724120), (24424, 660970), (27004, 597820), (29891, 540080), (30530, 528776), (33680, 479321), (33755, 478256), (36206, 445880), (44588, 362060), (48848, 330485), (54008, 298910), (55735, 289648), (59782, 270040), (61060, 264388), (66097, 244240), (67510, 239128), (72412, 222940), (89176, 181030), (90515, 178352), (108016, 149455), (111470, 144824), (119564, 135020), (122120, 132194)]