857500020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2196

約数の個数: 240

約数和(自身を含む): 3050826240

約数和(自身を除く): 2193326220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 468, 494, 513, 540, 570, 585, 684, 702, 741, 780, 810, 855, 988, 1026, 1053, 1140, 1170, 1235, 1404, 1482, 1539, 1620, 1710, 1755, 2052, 2106, 2143, 2223, 2340, 2470, 2565, 2964, 3078, 3420, 3510, 3705, 4212, 4286, 4446, 4940, 5130, 5265, 6156, 6429, 6669, 7020, 7410, 7695, 8572, 8892, 10260, 10530, 10715, 11115, 12858, 13338, 14820, 15390, 19287, 20007, 21060, 21430, 22230, 25716, 26676, 27859, 30780, 32145, 33345, 38574, 40014, 40717, 42860, 44460, 55718, 57861, 64290, 66690, 77148, 80028, 81434, 83577, 96435, 100035, 111436, 115722, 122151, 128580, 133380, 139295, 162868, 167154, 173583, 192870, 200070, 203585, 231444, 244302, 250731, 278590, 289305, 334308, 347166, 366453, 385740, 400140, 407170, 417885, 488604, 501462, 529321, 557180, 578610, 610755, 694332, 732906, 752193, 814340, 835770, 867915, 1002924, 1058642, 1099359, 1157220, 1221510, 1253655, 1465812, 1504386, 1587963, 1671540, 1735830, 1832265, 2117284, 2198718, 2256579, 2443020, 2507310, 2646605, 3008772, 3175926, 3298077, 3471660, 3664530, 3760965, 4397436, 4513158, 4763889, 5014620, 5293210, 5496795, 6351852, 6596154, 7329060, 7521930, 7939815, 9026316, 9527778, 10586420, 10993590, 11282895, 13192308, 14291667, 15043860, 15879630, 16490385, 19055556, 21987180, 22565790, 23819445, 28583334, 31759260, 32980770, 42875001, 45131580, 47638890, 57166668, 65961540, 71458335, 85750002, 95277780, 142916670, 171500004, 214375005, 285833340, 428750010, 857500020]

約数ペア:

[(1, 857500020), (2, 428750010), (3, 285833340), (4, 214375005), (5, 171500004), (6, 142916670), (9, 95277780), (10, 85750002), (12, 71458335), (13, 65961540), (15, 57166668), (18, 47638890), (19, 45131580), (20, 42875001), (26, 32980770), (27, 31759260), (30, 28583334), (36, 23819445), (38, 22565790), (39, 21987180), (45, 19055556), (52, 16490385), (54, 15879630), (57, 15043860), (60, 14291667), (65, 13192308), (76, 11282895), (78, 10993590), (81, 10586420), (90, 9527778), (95, 9026316), (108, 7939815), (114, 7521930), (117, 7329060), (130, 6596154), (135, 6351852), (156, 5496795), (162, 5293210), (171, 5014620), (180, 4763889), (190, 4513158), (195, 4397436), (228, 3760965), (234, 3664530), (247, 3471660), (260, 3298077), (270, 3175926), (285, 3008772), (324, 2646605), (342, 2507310), (351, 2443020), (380, 2256579), (390, 2198718), (405, 2117284), (468, 1832265), (494, 1735830), (513, 1671540), (540, 1587963), (570, 1504386), (585, 1465812), (684, 1253655), (702, 1221510), (741, 1157220), (780, 1099359), (810, 1058642), (855, 1002924), (988, 867915), (1026, 835770), (1053, 814340), (1140, 752193), (1170, 732906), (1235, 694332), (1404, 610755), (1482, 578610), (1539, 557180), (1620, 529321), (1710, 501462), (1755, 488604), (2052, 417885), (2106, 407170), (2143, 400140), (2223, 385740), (2340, 366453), (2470, 347166), (2565, 334308), (2964, 289305), (3078, 278590), (3420, 250731), (3510, 244302), (3705, 231444), (4212, 203585), (4286, 200070), (4446, 192870), (4940, 173583), (5130, 167154), (5265, 162868), (6156, 139295), (6429, 133380), (6669, 128580), (7020, 122151), (7410, 115722), (7695, 111436), (8572, 100035), (8892, 96435), (10260, 83577), (10530, 81434), (10715, 80028), (11115, 77148), (12858, 66690), (13338, 64290), (14820, 57861), (15390, 55718), (19287, 44460), (20007, 42860), (21060, 40717), (21430, 40014), (22230, 38574), (25716, 33345), (26676, 32145), (27859, 30780)]