1388665920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4007}}^1$

素因数の和:4065

約数の個数: 168

約数和(自身を含む): 4654442304

約数和(自身を除く): 3265776384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 361, 380, 456, 480, 570, 608, 722, 760, 912, 960, 1083, 1140, 1216, 1444, 1520, 1805, 1824, 2166, 2280, 2888, 3040, 3610, 3648, 4007, 4332, 4560, 5415, 5776, 6080, 7220, 8014, 8664, 9120, 10830, 11552, 12021, 14440, 16028, 17328, 18240, 20035, 21660, 23104, 24042, 28880, 32056, 34656, 40070, 43320, 48084, 57760, 60105, 64112, 69312, 76133, 80140, 86640, 96168, 115520, 120210, 128224, 152266, 160280, 173280, 192336, 228399, 240420, 256448, 304532, 320560, 346560, 380665, 384672, 456798, 480840, 609064, 641120, 761330, 769344, 913596, 961680, 1141995, 1218128, 1282240, 1446527, 1522660, 1827192, 1923360, 2283990, 2436256, 2893054, 3045320, 3654384, 3846720, 4339581, 4567980, 4872512, 5786108, 6090640, 7232635, 7308768, 8679162, 9135960, 11572216, 12181280, 14465270, 14617536, 17358324, 18271920, 21697905, 23144432, 24362560, 28930540, 34716648, 36543840, 43395810, 46288864, 57861080, 69433296, 73087680, 86791620, 92577728, 115722160, 138866592, 173583240, 231444320, 277733184, 347166480, 462888640, 694332960, 1388665920]

約数ペア:

[(1, 1388665920), (2, 694332960), (3, 462888640), (4, 347166480), (5, 277733184), (6, 231444320), (8, 173583240), (10, 138866592), (12, 115722160), (15, 92577728), (16, 86791620), (19, 73087680), (20, 69433296), (24, 57861080), (30, 46288864), (32, 43395810), (38, 36543840), (40, 34716648), (48, 28930540), (57, 24362560), (60, 23144432), (64, 21697905), (76, 18271920), (80, 17358324), (95, 14617536), (96, 14465270), (114, 12181280), (120, 11572216), (152, 9135960), (160, 8679162), (190, 7308768), (192, 7232635), (228, 6090640), (240, 5786108), (285, 4872512), (304, 4567980), (320, 4339581), (361, 3846720), (380, 3654384), (456, 3045320), (480, 2893054), (570, 2436256), (608, 2283990), (722, 1923360), (760, 1827192), (912, 1522660), (960, 1446527), (1083, 1282240), (1140, 1218128), (1216, 1141995), (1444, 961680), (1520, 913596), (1805, 769344), (1824, 761330), (2166, 641120), (2280, 609064), (2888, 480840), (3040, 456798), (3610, 384672), (3648, 380665), (4007, 346560), (4332, 320560), (4560, 304532), (5415, 256448), (5776, 240420), (6080, 228399), (7220, 192336), (8014, 173280), (8664, 160280), (9120, 152266), (10830, 128224), (11552, 120210), (12021, 115520), (14440, 96168), (16028, 86640), (17328, 80140), (18240, 76133), (20035, 69312), (21660, 64112), (23104, 60105), (24042, 57760), (28880, 48084), (32056, 43320), (34656, 40070)]