287081080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1685

約数の個数: 128

約数和(自身を含む): 783820800

約数和(自身を除く): 496739720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 520, 572, 620, 682, 715, 806, 1144, 1240, 1364, 1430, 1612, 1619, 1705, 2015, 2728, 2860, 3224, 3238, 3410, 4030, 4433, 5720, 6476, 6820, 8060, 8095, 8866, 12952, 13640, 16120, 16190, 17732, 17809, 21047, 22165, 32380, 35464, 35618, 42094, 44330, 50189, 64760, 71236, 84188, 88660, 89045, 100378, 105235, 142472, 168376, 177320, 178090, 200756, 210470, 231517, 250945, 356180, 401512, 420940, 463034, 501890, 552079, 652457, 712360, 841880, 926068, 1003780, 1104158, 1157585, 1304914, 1852136, 2007560, 2208316, 2315170, 2609828, 2760395, 3262285, 4416632, 4630340, 5219656, 5520790, 6524570, 7177027, 9260680, 11041580, 13049140, 14354054, 22083160, 26098280, 28708108, 35885135, 57416216, 71770270, 143540540, 287081080]

約数ペア:

[(1, 287081080), (2, 143540540), (4, 71770270), (5, 57416216), (8, 35885135), (10, 28708108), (11, 26098280), (13, 22083160), (20, 14354054), (22, 13049140), (26, 11041580), (31, 9260680), (40, 7177027), (44, 6524570), (52, 5520790), (55, 5219656), (62, 4630340), (65, 4416632), (88, 3262285), (104, 2760395), (110, 2609828), (124, 2315170), (130, 2208316), (143, 2007560), (155, 1852136), (220, 1304914), (248, 1157585), (260, 1104158), (286, 1003780), (310, 926068), (341, 841880), (403, 712360), (440, 652457), (520, 552079), (572, 501890), (620, 463034), (682, 420940), (715, 401512), (806, 356180), (1144, 250945), (1240, 231517), (1364, 210470), (1430, 200756), (1612, 178090), (1619, 177320), (1705, 168376), (2015, 142472), (2728, 105235), (2860, 100378), (3224, 89045), (3238, 88660), (3410, 84188), (4030, 71236), (4433, 64760), (5720, 50189), (6476, 44330), (6820, 42094), (8060, 35618), (8095, 35464), (8866, 32380), (12952, 22165), (13640, 21047), (16120, 17809), (16190, 17732)]