123898788

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 381024000

約数和(自身を除く): 257125212

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 29, 34, 36, 39, 51, 52, 54, 58, 68, 78, 87, 102, 108, 116, 117, 153, 156, 174, 179, 204, 221, 234, 261, 306, 348, 351, 358, 377, 442, 459, 468, 493, 522, 537, 612, 663, 702, 716, 754, 783, 884, 918, 986, 1044, 1074, 1131, 1326, 1404, 1479, 1508, 1566, 1611, 1836, 1972, 1989, 2148, 2262, 2327, 2652, 2958, 3043, 3132, 3222, 3393, 3978, 4437, 4524, 4654, 4833, 5191, 5916, 5967, 6086, 6409, 6444, 6786, 6981, 7956, 8874, 9129, 9308, 9666, 10179, 10382, 11934, 12172, 12818, 13311, 13572, 13962, 15573, 17748, 18258, 19227, 19332, 20358, 20764, 20943, 23868, 25636, 26622, 27387, 27924, 31146, 36516, 38454, 39559, 40716, 41886, 46719, 53244, 54774, 57681, 62292, 62829, 67483, 76908, 79118, 82161, 83772, 88247, 93438, 109548, 115362, 118677, 125658, 134966, 140157, 158236, 164322, 173043, 176494, 186876, 202449, 230724, 237354, 251316, 264741, 269932, 280314, 328644, 346086, 352988, 356031, 404898, 474708, 529482, 560628, 607347, 692172, 712062, 794223, 809796, 1058964, 1068093, 1147211, 1214694, 1424124, 1588446, 1822041, 2136186, 2294422, 2382669, 2429388, 3176892, 3441633, 3644082, 4272372, 4588844, 4765338, 6883266, 7288164, 9530676, 10324899, 13766532, 20649798, 30974697, 41299596, 61949394, 123898788]

約数ペア:

[(1, 123898788), (2, 61949394), (3, 41299596), (4, 30974697), (6, 20649798), (9, 13766532), (12, 10324899), (13, 9530676), (17, 7288164), (18, 6883266), (26, 4765338), (27, 4588844), (29, 4272372), (34, 3644082), (36, 3441633), (39, 3176892), (51, 2429388), (52, 2382669), (54, 2294422), (58, 2136186), (68, 1822041), (78, 1588446), (87, 1424124), (102, 1214694), (108, 1147211), (116, 1068093), (117, 1058964), (153, 809796), (156, 794223), (174, 712062), (179, 692172), (204, 607347), (221, 560628), (234, 529482), (261, 474708), (306, 404898), (348, 356031), (351, 352988), (358, 346086), (377, 328644), (442, 280314), (459, 269932), (468, 264741), (493, 251316), (522, 237354), (537, 230724), (612, 202449), (663, 186876), (702, 176494), (716, 173043), (754, 164322), (783, 158236), (884, 140157), (918, 134966), (986, 125658), (1044, 118677), (1074, 115362), (1131, 109548), (1326, 93438), (1404, 88247), (1479, 83772), (1508, 82161), (1566, 79118), (1611, 76908), (1836, 67483), (1972, 62829), (1989, 62292), (2148, 57681), (2262, 54774), (2327, 53244), (2652, 46719), (2958, 41886), (3043, 40716), (3132, 39559), (3222, 38454), (3393, 36516), (3978, 31146), (4437, 27924), (4524, 27387), (4654, 26622), (4833, 25636), (5191, 23868), (5916, 20943), (5967, 20764), (6086, 20358), (6409, 19332), (6444, 19227), (6786, 18258), (6981, 17748), (7956, 15573), (8874, 13962), (9129, 13572), (9308, 13311), (9666, 12818), (10179, 12172), (10382, 11934)]