54939640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 155520000

約数和(自身を除く): 100580360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 449, 460, 532, 644, 665, 760, 805, 874, 898, 920, 1064, 1288, 1330, 1610, 1748, 1796, 2185, 2245, 2660, 3059, 3143, 3220, 3496, 3592, 4370, 4490, 5320, 6118, 6286, 6440, 8531, 8740, 8980, 10327, 12236, 12572, 15295, 15715, 17062, 17480, 17960, 20654, 24472, 25144, 30590, 31430, 34124, 41308, 42655, 51635, 59717, 61180, 62860, 68248, 72289, 82616, 85310, 103270, 119434, 122360, 125720, 144578, 170620, 196213, 206540, 238868, 289156, 298585, 341240, 361445, 392426, 413080, 477736, 578312, 597170, 722890, 784852, 981065, 1194340, 1373491, 1445780, 1569704, 1962130, 2388680, 2746982, 2891560, 3924260, 5493964, 6867455, 7848520, 10987928, 13734910, 27469820, 54939640]

約数ペア:

[(1, 54939640), (2, 27469820), (4, 13734910), (5, 10987928), (7, 7848520), (8, 6867455), (10, 5493964), (14, 3924260), (19, 2891560), (20, 2746982), (23, 2388680), (28, 1962130), (35, 1569704), (38, 1445780), (40, 1373491), (46, 1194340), (56, 981065), (70, 784852), (76, 722890), (92, 597170), (95, 578312), (115, 477736), (133, 413080), (140, 392426), (152, 361445), (161, 341240), (184, 298585), (190, 289156), (230, 238868), (266, 206540), (280, 196213), (322, 170620), (380, 144578), (437, 125720), (449, 122360), (460, 119434), (532, 103270), (644, 85310), (665, 82616), (760, 72289), (805, 68248), (874, 62860), (898, 61180), (920, 59717), (1064, 51635), (1288, 42655), (1330, 41308), (1610, 34124), (1748, 31430), (1796, 30590), (2185, 25144), (2245, 24472), (2660, 20654), (3059, 17960), (3143, 17480), (3220, 17062), (3496, 15715), (3592, 15295), (4370, 12572), (4490, 12236), (5320, 10327), (6118, 8980), (6286, 8740), (6440, 8531)]