1991365680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1907}}^1$

素因数の和:2171

約数の個数: 160

約数和(自身を含む): 6529939200

約数和(自身を除く): 4538573520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 229, 240, 285, 304, 380, 456, 458, 570, 687, 760, 912, 916, 1140, 1145, 1374, 1520, 1832, 1907, 2280, 2290, 2748, 3435, 3664, 3814, 4351, 4560, 4580, 5496, 5721, 6870, 7628, 8702, 9160, 9535, 10992, 11442, 13053, 13740, 15256, 17404, 18320, 19070, 21755, 22884, 26106, 27480, 28605, 30512, 34808, 36233, 38140, 43510, 45768, 52212, 54960, 57210, 65265, 69616, 72466, 76280, 87020, 91536, 104424, 108699, 114420, 130530, 144932, 152560, 174040, 181165, 208848, 217398, 228840, 261060, 289864, 348080, 362330, 434796, 436703, 457680, 522120, 543495, 579728, 724660, 869592, 873406, 1044240, 1086990, 1310109, 1449320, 1739184, 1746812, 2173980, 2183515, 2620218, 2898640, 3493624, 4347960, 4367030, 5240436, 6550545, 6987248, 8297357, 8695920, 8734060, 10480872, 13101090, 16594714, 17468120, 20961744, 24892071, 26202180, 33189428, 34936240, 41486785, 49784142, 52404360, 66378856, 82973570, 99568284, 104808720, 124460355, 132757712, 165947140, 199136568, 248920710, 331894280, 398273136, 497841420, 663788560, 995682840, 1991365680]

約数ペア:

[(1, 1991365680), (2, 995682840), (3, 663788560), (4, 497841420), (5, 398273136), (6, 331894280), (8, 248920710), (10, 199136568), (12, 165947140), (15, 132757712), (16, 124460355), (19, 104808720), (20, 99568284), (24, 82973570), (30, 66378856), (38, 52404360), (40, 49784142), (48, 41486785), (57, 34936240), (60, 33189428), (76, 26202180), (80, 24892071), (95, 20961744), (114, 17468120), (120, 16594714), (152, 13101090), (190, 10480872), (228, 8734060), (229, 8695920), (240, 8297357), (285, 6987248), (304, 6550545), (380, 5240436), (456, 4367030), (458, 4347960), (570, 3493624), (687, 2898640), (760, 2620218), (912, 2183515), (916, 2173980), (1140, 1746812), (1145, 1739184), (1374, 1449320), (1520, 1310109), (1832, 1086990), (1907, 1044240), (2280, 873406), (2290, 869592), (2748, 724660), (3435, 579728), (3664, 543495), (3814, 522120), (4351, 457680), (4560, 436703), (4580, 434796), (5496, 362330), (5721, 348080), (6870, 289864), (7628, 261060), (8702, 228840), (9160, 217398), (9535, 208848), (10992, 181165), (11442, 174040), (13053, 152560), (13740, 144932), (15256, 130530), (17404, 114420), (18320, 108699), (19070, 104424), (21755, 91536), (22884, 87020), (26106, 76280), (27480, 72466), (28605, 69616), (30512, 65265), (34808, 57210), (36233, 54960), (38140, 52212), (43510, 45768)]