2789510640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1660423}}^1$

素因数の和:1660446

約数の個数: 80

約数和(自身を含む): 9882843648

約数和(自身を除く): 7093333008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 1660423, 3320846, 4981269, 6641692, 8302115, 9962538, 11622961, 13283384, 16604230, 19925076, 23245922, 24906345, 26566768, 33208460, 34868883, 39850152, 46491844, 49812690, 58114805, 66416920, 69737766, 79700304, 92983688, 99625380, 116229610, 132833840, 139475532, 174344415, 185967376, 199250760, 232459220, 278951064, 348688830, 398501520, 464918440, 557902128, 697377660, 929836880, 1394755320, 2789510640]

約数ペア:

[(1, 2789510640), (2, 1394755320), (3, 929836880), (4, 697377660), (5, 557902128), (6, 464918440), (7, 398501520), (8, 348688830), (10, 278951064), (12, 232459220), (14, 199250760), (15, 185967376), (16, 174344415), (20, 139475532), (21, 132833840), (24, 116229610), (28, 99625380), (30, 92983688), (35, 79700304), (40, 69737766), (42, 66416920), (48, 58114805), (56, 49812690), (60, 46491844), (70, 39850152), (80, 34868883), (84, 33208460), (105, 26566768), (112, 24906345), (120, 23245922), (140, 19925076), (168, 16604230), (210, 13283384), (240, 11622961), (280, 9962538), (336, 8302115), (420, 6641692), (560, 4981269), (840, 3320846), (1680, 1660423)]