840321690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:632

約数の個数: 128

約数和(自身を含む): 2264371200

約数和(自身を除く): 1424049510

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 191, 195, 290, 377, 382, 389, 390, 435, 573, 754, 778, 870, 955, 1131, 1146, 1167, 1885, 1910, 1945, 2262, 2334, 2483, 2865, 3770, 3890, 4966, 5057, 5539, 5655, 5730, 5835, 7449, 10114, 11078, 11281, 11310, 11670, 12415, 14898, 15171, 16617, 22562, 24830, 25285, 27695, 30342, 33234, 33843, 37245, 50570, 55390, 56405, 67686, 72007, 74299, 74490, 75855, 83085, 112810, 144014, 146653, 148598, 151710, 166170, 169215, 216021, 222897, 293306, 338430, 360035, 371495, 432042, 439959, 445794, 720070, 733265, 742990, 879918, 965887, 1080105, 1114485, 1466530, 1931774, 2154671, 2160210, 2199795, 2228970, 2897661, 4309342, 4399590, 4829435, 5795322, 6464013, 9658870, 10773355, 12928026, 14488305, 21546710, 28010723, 28976610, 32320065, 56021446, 64640130, 84032169, 140053615, 168064338, 280107230, 420160845, 840321690]

約数ペア:

[(1, 840321690), (2, 420160845), (3, 280107230), (5, 168064338), (6, 140053615), (10, 84032169), (13, 64640130), (15, 56021446), (26, 32320065), (29, 28976610), (30, 28010723), (39, 21546710), (58, 14488305), (65, 12928026), (78, 10773355), (87, 9658870), (130, 6464013), (145, 5795322), (174, 4829435), (191, 4399590), (195, 4309342), (290, 2897661), (377, 2228970), (382, 2199795), (389, 2160210), (390, 2154671), (435, 1931774), (573, 1466530), (754, 1114485), (778, 1080105), (870, 965887), (955, 879918), (1131, 742990), (1146, 733265), (1167, 720070), (1885, 445794), (1910, 439959), (1945, 432042), (2262, 371495), (2334, 360035), (2483, 338430), (2865, 293306), (3770, 222897), (3890, 216021), (4966, 169215), (5057, 166170), (5539, 151710), (5655, 148598), (5730, 146653), (5835, 144014), (7449, 112810), (10114, 83085), (11078, 75855), (11281, 74490), (11310, 74299), (11670, 72007), (12415, 67686), (14898, 56405), (15171, 55390), (16617, 50570), (22562, 37245), (24830, 33843), (25285, 33234), (27695, 30342)]