15690789520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{2141}}^1$

素因数の和:2753

約数の個数: 160

約数和(自身を含む): 43602209280

約数和(自身を除く): 27911419760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 569, 644, 805, 920, 1138, 1288, 1610, 1840, 2141, 2276, 2576, 2845, 3220, 3983, 4282, 4552, 5690, 6440, 7966, 8564, 9104, 10705, 11380, 12880, 13087, 14987, 15932, 17128, 19915, 21410, 22760, 26174, 29974, 31864, 34256, 39830, 42820, 45520, 49243, 52348, 59948, 63728, 65435, 74935, 79660, 85640, 91609, 98486, 104696, 119896, 130870, 149870, 159320, 171280, 183218, 196972, 209392, 239792, 246215, 261740, 299740, 318640, 344701, 366436, 393944, 458045, 492430, 523480, 599480, 689402, 732872, 787888, 916090, 984860, 1046960, 1198960, 1218229, 1378804, 1465744, 1723505, 1832180, 1969720, 2436458, 2757608, 3447010, 3664360, 3939440, 4872916, 5515216, 6091145, 6894020, 7328720, 8527603, 9745832, 12182290, 13788040, 17055206, 19491664, 24364580, 27576080, 28019267, 34110412, 42638015, 48729160, 56038534, 68220824, 85276030, 97458320, 112077068, 136441648, 140096335, 170552060, 196134869, 224154136, 280192670, 341104120, 392269738, 448308272, 560385340, 682208240, 784539476, 980674345, 1120770680, 1569078952, 1961348690, 2241541360, 3138157904, 3922697380, 7845394760, 15690789520]

約数ペア:

[(1, 15690789520), (2, 7845394760), (4, 3922697380), (5, 3138157904), (7, 2241541360), (8, 1961348690), (10, 1569078952), (14, 1120770680), (16, 980674345), (20, 784539476), (23, 682208240), (28, 560385340), (35, 448308272), (40, 392269738), (46, 341104120), (56, 280192670), (70, 224154136), (80, 196134869), (92, 170552060), (112, 140096335), (115, 136441648), (140, 112077068), (161, 97458320), (184, 85276030), (230, 68220824), (280, 56038534), (322, 48729160), (368, 42638015), (460, 34110412), (560, 28019267), (569, 27576080), (644, 24364580), (805, 19491664), (920, 17055206), (1138, 13788040), (1288, 12182290), (1610, 9745832), (1840, 8527603), (2141, 7328720), (2276, 6894020), (2576, 6091145), (2845, 5515216), (3220, 4872916), (3983, 3939440), (4282, 3664360), (4552, 3447010), (5690, 2757608), (6440, 2436458), (7966, 1969720), (8564, 1832180), (9104, 1723505), (10705, 1465744), (11380, 1378804), (12880, 1218229), (13087, 1198960), (14987, 1046960), (15932, 984860), (17128, 916090), (19915, 787888), (21410, 732872), (22760, 689402), (26174, 599480), (29974, 523480), (31864, 492430), (34256, 458045), (39830, 393944), (42820, 366436), (45520, 344701), (49243, 318640), (52348, 299740), (59948, 261740), (63728, 246215), (65435, 239792), (74935, 209392), (79660, 196972), (85640, 183218), (91609, 171280), (98486, 159320), (104696, 149870), (119896, 130870)]