320814948920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3851}}^1$

素因数の和:4066

約数の個数: 192

約数和(自身を含む): 785260707840

約数和(自身を除く): 464445758920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 127, 155, 184, 230, 248, 254, 310, 460, 508, 529, 620, 635, 713, 920, 1016, 1058, 1240, 1270, 1426, 2116, 2540, 2645, 2852, 2921, 3565, 3851, 3937, 4232, 5080, 5290, 5704, 5842, 7130, 7702, 7874, 10580, 11684, 14260, 14605, 15404, 15748, 16399, 19255, 19685, 21160, 23368, 28520, 29210, 30808, 31496, 32798, 38510, 39370, 58420, 65596, 67183, 77020, 78740, 81995, 88573, 90551, 116840, 119381, 131192, 134366, 154040, 157480, 163990, 177146, 181102, 238762, 268732, 327980, 335915, 354292, 362204, 442865, 452755, 477524, 489077, 537464, 596905, 655960, 671830, 708584, 724408, 885730, 905510, 955048, 978154, 1193810, 1343660, 1771460, 1811020, 1956308, 2037179, 2082673, 2387620, 2445385, 2687320, 2745763, 3542920, 3622040, 3912616, 4074358, 4165346, 4775240, 4890770, 5491526, 8148716, 8330692, 9781540, 10185895, 10413365, 10983052, 11248771, 13728815, 15161387, 16297432, 16661384, 19563080, 20371790, 20826730, 21966104, 22497542, 27457630, 30322774, 40743580, 41653460, 44995084, 54915260, 56243855, 60645548, 63152549, 75806935, 81487160, 83306920, 89990168, 109830520, 112487710, 121291096, 126305098, 151613870, 224975420, 252610196, 258721733, 303227740, 315762745, 348711901, 449950840, 505220392, 517443466, 606455480, 631525490, 697423802, 1034886932, 1263050980, 1293608665, 1394847604, 1743559505, 2069773864, 2526101960, 2587217330, 2789695208, 3487119010, 5174434660, 6974238020, 8020373723, 10348869320, 13948476040, 16040747446, 32081494892, 40101868615, 64162989784, 80203737230, 160407474460, 320814948920]

約数ペア:

[(1, 320814948920), (2, 160407474460), (4, 80203737230), (5, 64162989784), (8, 40101868615), (10, 32081494892), (20, 16040747446), (23, 13948476040), (31, 10348869320), (40, 8020373723), (46, 6974238020), (62, 5174434660), (92, 3487119010), (115, 2789695208), (124, 2587217330), (127, 2526101960), (155, 2069773864), (184, 1743559505), (230, 1394847604), (248, 1293608665), (254, 1263050980), (310, 1034886932), (460, 697423802), (508, 631525490), (529, 606455480), (620, 517443466), (635, 505220392), (713, 449950840), (920, 348711901), (1016, 315762745), (1058, 303227740), (1240, 258721733), (1270, 252610196), (1426, 224975420), (2116, 151613870), (2540, 126305098), (2645, 121291096), (2852, 112487710), (2921, 109830520), (3565, 89990168), (3851, 83306920), (3937, 81487160), (4232, 75806935), (5080, 63152549), (5290, 60645548), (5704, 56243855), (5842, 54915260), (7130, 44995084), (7702, 41653460), (7874, 40743580), (10580, 30322774), (11684, 27457630), (14260, 22497542), (14605, 21966104), (15404, 20826730), (15748, 20371790), (16399, 19563080), (19255, 16661384), (19685, 16297432), (21160, 15161387), (23368, 13728815), (28520, 11248771), (29210, 10983052), (30808, 10413365), (31496, 10185895), (32798, 9781540), (38510, 8330692), (39370, 8148716), (58420, 5491526), (65596, 4890770), (67183, 4775240), (77020, 4165346), (78740, 4074358), (81995, 3912616), (88573, 3622040), (90551, 3542920), (116840, 2745763), (119381, 2687320), (131192, 2445385), (134366, 2387620), (154040, 2082673), (157480, 2037179), (163990, 1956308), (177146, 1811020), (181102, 1771460), (238762, 1343660), (268732, 1193810), (327980, 978154), (335915, 955048), (354292, 905510), (362204, 885730), (442865, 724408), (452755, 708584), (477524, 671830), (489077, 655960), (537464, 596905)]