15696720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 240

約数和(自身を含む): 59906880

約数和(自身を除く): 44210160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 43, 45, 48, 52, 54, 60, 65, 72, 78, 80, 86, 90, 104, 108, 117, 120, 129, 130, 135, 144, 156, 169, 172, 180, 195, 208, 215, 216, 234, 240, 258, 260, 270, 312, 338, 344, 351, 360, 387, 390, 430, 432, 468, 507, 516, 520, 540, 559, 585, 624, 645, 676, 688, 702, 720, 774, 780, 845, 860, 936, 1014, 1032, 1040, 1080, 1118, 1161, 1170, 1290, 1352, 1404, 1521, 1548, 1560, 1677, 1690, 1720, 1755, 1872, 1935, 2028, 2064, 2160, 2236, 2322, 2340, 2535, 2580, 2704, 2795, 2808, 3042, 3096, 3120, 3354, 3380, 3440, 3510, 3870, 4056, 4472, 4563, 4644, 4680, 5031, 5070, 5160, 5590, 5616, 5805, 6084, 6192, 6708, 6760, 7020, 7267, 7605, 7740, 8112, 8385, 8944, 9126, 9288, 9360, 10062, 10140, 10320, 11180, 11610, 12168, 13416, 13520, 14040, 14534, 15093, 15210, 15480, 16770, 18252, 18576, 20124, 20280, 21801, 22360, 22815, 23220, 24336, 25155, 26832, 28080, 29068, 30186, 30420, 30960, 33540, 36335, 36504, 40248, 40560, 43602, 44720, 45630, 46440, 50310, 58136, 60372, 60840, 65403, 67080, 72670, 73008, 75465, 80496, 87204, 91260, 92880, 100620, 109005, 116272, 120744, 121680, 130806, 134160, 145340, 150930, 174408, 182520, 196209, 201240, 218010, 241488, 261612, 290680, 301860, 327015, 348816, 365040, 392418, 402480, 436020, 523224, 581360, 603720, 654030, 784836, 872040, 981045, 1046448, 1207440, 1308060, 1569672, 1744080, 1962090, 2616120, 3139344, 3924180, 5232240, 7848360, 15696720]

約数ペア:

[(1, 15696720), (2, 7848360), (3, 5232240), (4, 3924180), (5, 3139344), (6, 2616120), (8, 1962090), (9, 1744080), (10, 1569672), (12, 1308060), (13, 1207440), (15, 1046448), (16, 981045), (18, 872040), (20, 784836), (24, 654030), (26, 603720), (27, 581360), (30, 523224), (36, 436020), (39, 402480), (40, 392418), (43, 365040), (45, 348816), (48, 327015), (52, 301860), (54, 290680), (60, 261612), (65, 241488), (72, 218010), (78, 201240), (80, 196209), (86, 182520), (90, 174408), (104, 150930), (108, 145340), (117, 134160), (120, 130806), (129, 121680), (130, 120744), (135, 116272), (144, 109005), (156, 100620), (169, 92880), (172, 91260), (180, 87204), (195, 80496), (208, 75465), (215, 73008), (216, 72670), (234, 67080), (240, 65403), (258, 60840), (260, 60372), (270, 58136), (312, 50310), (338, 46440), (344, 45630), (351, 44720), (360, 43602), (387, 40560), (390, 40248), (430, 36504), (432, 36335), (468, 33540), (507, 30960), (516, 30420), (520, 30186), (540, 29068), (559, 28080), (585, 26832), (624, 25155), (645, 24336), (676, 23220), (688, 22815), (702, 22360), (720, 21801), (774, 20280), (780, 20124), (845, 18576), (860, 18252), (936, 16770), (1014, 15480), (1032, 15210), (1040, 15093), (1080, 14534), (1118, 14040), (1161, 13520), (1170, 13416), (1290, 12168), (1352, 11610), (1404, 11180), (1521, 10320), (1548, 10140), (1560, 10062), (1677, 9360), (1690, 9288), (1720, 9126), (1755, 8944), (1872, 8385), (1935, 8112), (2028, 7740), (2064, 7605), (2160, 7267), (2236, 7020), (2322, 6760), (2340, 6708), (2535, 6192), (2580, 6084), (2704, 5805), (2795, 5616), (2808, 5590), (3042, 5160), (3096, 5070), (3120, 5031), (3354, 4680), (3380, 4644), (3440, 4563), (3510, 4472), (3870, 4056)]