313074580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 840792960

約数和(自身を除く): 527718380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 179, 182, 217, 260, 310, 358, 364, 403, 434, 455, 620, 716, 806, 868, 895, 910, 961, 1085, 1253, 1612, 1790, 1820, 1922, 2015, 2170, 2327, 2506, 2821, 3580, 3844, 4030, 4340, 4654, 4805, 5012, 5549, 5642, 6265, 6727, 8060, 9308, 9610, 11098, 11284, 11635, 12493, 12530, 13454, 14105, 16289, 19220, 22196, 23270, 24986, 25060, 26908, 27745, 28210, 32578, 33635, 38843, 46540, 49972, 55490, 56420, 62465, 65156, 67270, 72137, 77686, 81445, 87451, 110980, 124930, 134540, 144274, 155372, 162890, 172019, 174902, 194215, 249860, 288548, 325780, 344038, 349804, 360685, 388430, 437255, 504959, 688076, 721370, 776860, 860095, 874510, 1009918, 1204133, 1442740, 1720190, 1749020, 2019836, 2236247, 2408266, 2524795, 3440380, 4472494, 4816532, 5049590, 6020665, 8944988, 10099180, 11181235, 12041330, 15653729, 22362470, 24082660, 31307458, 44724940, 62614916, 78268645, 156537290, 313074580]

約数ペア:

[(1, 313074580), (2, 156537290), (4, 78268645), (5, 62614916), (7, 44724940), (10, 31307458), (13, 24082660), (14, 22362470), (20, 15653729), (26, 12041330), (28, 11181235), (31, 10099180), (35, 8944988), (52, 6020665), (62, 5049590), (65, 4816532), (70, 4472494), (91, 3440380), (124, 2524795), (130, 2408266), (140, 2236247), (155, 2019836), (179, 1749020), (182, 1720190), (217, 1442740), (260, 1204133), (310, 1009918), (358, 874510), (364, 860095), (403, 776860), (434, 721370), (455, 688076), (620, 504959), (716, 437255), (806, 388430), (868, 360685), (895, 349804), (910, 344038), (961, 325780), (1085, 288548), (1253, 249860), (1612, 194215), (1790, 174902), (1820, 172019), (1922, 162890), (2015, 155372), (2170, 144274), (2327, 134540), (2506, 124930), (2821, 110980), (3580, 87451), (3844, 81445), (4030, 77686), (4340, 72137), (4654, 67270), (4805, 65156), (5012, 62465), (5549, 56420), (5642, 55490), (6265, 49972), (6727, 46540), (8060, 38843), (9308, 33635), (9610, 32578), (11098, 28210), (11284, 27745), (11635, 26908), (12493, 25060), (12530, 24986), (13454, 23270), (14105, 22196), (16289, 19220)]