82728660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1526

約数の個数: 144

約数和(自身を含む): 283832640

約数和(自身を除く): 201103980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1481, 1596, 1862, 1995, 2660, 2793, 2940, 2962, 3724, 3990, 4443, 4655, 5586, 5924, 7405, 7980, 8886, 9310, 10367, 11172, 13965, 14810, 17772, 18620, 20734, 22215, 27930, 28139, 29620, 31101, 41468, 44430, 51835, 55860, 56278, 62202, 72569, 84417, 88860, 103670, 112556, 124404, 140695, 145138, 155505, 168834, 196973, 207340, 217707, 281390, 290276, 311010, 337668, 362845, 393946, 422085, 435414, 562780, 590919, 622020, 725690, 787892, 844170, 870828, 984865, 1088535, 1181838, 1378811, 1451380, 1688340, 1969730, 2177070, 2363676, 2757622, 2954595, 3939460, 4136433, 4354140, 5515244, 5909190, 6894055, 8272866, 11818380, 13788110, 16545732, 20682165, 27576220, 41364330, 82728660]

約数ペア:

[(1, 82728660), (2, 41364330), (3, 27576220), (4, 20682165), (5, 16545732), (6, 13788110), (7, 11818380), (10, 8272866), (12, 6894055), (14, 5909190), (15, 5515244), (19, 4354140), (20, 4136433), (21, 3939460), (28, 2954595), (30, 2757622), (35, 2363676), (38, 2177070), (42, 1969730), (49, 1688340), (57, 1451380), (60, 1378811), (70, 1181838), (76, 1088535), (84, 984865), (95, 870828), (98, 844170), (105, 787892), (114, 725690), (133, 622020), (140, 590919), (147, 562780), (190, 435414), (196, 422085), (210, 393946), (228, 362845), (245, 337668), (266, 311010), (285, 290276), (294, 281390), (380, 217707), (399, 207340), (420, 196973), (490, 168834), (532, 155505), (570, 145138), (588, 140695), (665, 124404), (735, 112556), (798, 103670), (931, 88860), (980, 84417), (1140, 72569), (1330, 62202), (1470, 56278), (1481, 55860), (1596, 51835), (1862, 44430), (1995, 41468), (2660, 31101), (2793, 29620), (2940, 28139), (2962, 27930), (3724, 22215), (3990, 20734), (4443, 18620), (4655, 17772), (5586, 14810), (5924, 13965), (7405, 11172), (7980, 10367), (8886, 9310)]