287744940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{76123}}^1$

素因数の和:76148

約数の個数: 96

約数和(自身を含む): 1023106560

約数和(自身を除く): 735361620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 76123, 152246, 228369, 304492, 380615, 456738, 532861, 685107, 761230, 913476, 1065722, 1141845, 1370214, 1522460, 1598583, 2055321, 2131444, 2283690, 2664305, 2740428, 3197166, 3425535, 4110642, 4567380, 4795749, 5328610, 6394332, 6851070, 7992915, 8221284, 9591498, 10276605, 10657220, 13702140, 14387247, 15985830, 19182996, 20553210, 23978745, 28774494, 31971660, 41106420, 47957490, 57548988, 71936235, 95914980, 143872470, 287744940]

約数ペア:

[(1, 287744940), (2, 143872470), (3, 95914980), (4, 71936235), (5, 57548988), (6, 47957490), (7, 41106420), (9, 31971660), (10, 28774494), (12, 23978745), (14, 20553210), (15, 19182996), (18, 15985830), (20, 14387247), (21, 13702140), (27, 10657220), (28, 10276605), (30, 9591498), (35, 8221284), (36, 7992915), (42, 6851070), (45, 6394332), (54, 5328610), (60, 4795749), (63, 4567380), (70, 4110642), (84, 3425535), (90, 3197166), (105, 2740428), (108, 2664305), (126, 2283690), (135, 2131444), (140, 2055321), (180, 1598583), (189, 1522460), (210, 1370214), (252, 1141845), (270, 1065722), (315, 913476), (378, 761230), (420, 685107), (540, 532861), (630, 456738), (756, 380615), (945, 304492), (1260, 228369), (1890, 152246), (3780, 76123)]