1640786724

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 4539924480

約数和(自身を除く): 2899137756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 223, 228, 279, 342, 347, 372, 446, 558, 589, 669, 684, 694, 892, 1041, 1116, 1178, 1338, 1388, 1767, 2007, 2082, 2356, 2676, 3123, 3534, 4014, 4164, 4237, 5301, 6246, 6593, 6913, 7068, 8028, 8474, 10602, 10757, 12492, 12711, 13186, 13826, 16948, 19779, 20739, 21204, 21514, 25422, 26372, 27652, 32271, 38133, 39558, 41478, 43028, 50844, 59337, 62217, 64542, 76266, 77381, 79116, 82956, 96813, 118674, 124434, 129084, 131347, 152532, 154762, 193626, 204383, 232143, 237348, 248868, 262694, 309524, 387252, 394041, 408766, 464286, 525388, 613149, 696429, 788082, 817532, 928572, 1182123, 1226298, 1392858, 1470239, 1576164, 1839447, 2364246, 2398811, 2452596, 2785716, 2940478, 3678894, 4410717, 4728492, 4797622, 5880956, 7196433, 7357788, 8821434, 9595244, 13232151, 14392866, 17642868, 21589299, 26464302, 28785732, 43178598, 45577409, 52928604, 86357196, 91154818, 136732227, 182309636, 273464454, 410196681, 546928908, 820393362, 1640786724]

約数ペア:

[(1, 1640786724), (2, 820393362), (3, 546928908), (4, 410196681), (6, 273464454), (9, 182309636), (12, 136732227), (18, 91154818), (19, 86357196), (31, 52928604), (36, 45577409), (38, 43178598), (57, 28785732), (62, 26464302), (76, 21589299), (93, 17642868), (114, 14392866), (124, 13232151), (171, 9595244), (186, 8821434), (223, 7357788), (228, 7196433), (279, 5880956), (342, 4797622), (347, 4728492), (372, 4410717), (446, 3678894), (558, 2940478), (589, 2785716), (669, 2452596), (684, 2398811), (694, 2364246), (892, 1839447), (1041, 1576164), (1116, 1470239), (1178, 1392858), (1338, 1226298), (1388, 1182123), (1767, 928572), (2007, 817532), (2082, 788082), (2356, 696429), (2676, 613149), (3123, 525388), (3534, 464286), (4014, 408766), (4164, 394041), (4237, 387252), (5301, 309524), (6246, 262694), (6593, 248868), (6913, 237348), (7068, 232143), (8028, 204383), (8474, 193626), (10602, 154762), (10757, 152532), (12492, 131347), (12711, 129084), (13186, 124434), (13826, 118674), (16948, 96813), (19779, 82956), (20739, 79116), (21204, 77381), (21514, 76266), (25422, 64542), (26372, 62217), (27652, 59337), (32271, 50844), (38133, 43028), (39558, 41478)]