15971890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 17620430

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 59, 107, 110, 115, 118, 214, 230, 253, 295, 506, 535, 590, 649, 1070, 1177, 1265, 1298, 1357, 2354, 2461, 2530, 2714, 3245, 4922, 5885, 6313, 6490, 6785, 11770, 12305, 12626, 13570, 14927, 24610, 27071, 29854, 31565, 54142, 63130, 69443, 74635, 135355, 138886, 145199, 149270, 270710, 290398, 347215, 694430, 725995, 1451990, 1597189, 3194378, 7985945, 15971890]

約数ペア:

[(1, 15971890), (2, 7985945), (5, 3194378), (10, 1597189), (11, 1451990), (22, 725995), (23, 694430), (46, 347215), (55, 290398), (59, 270710), (107, 149270), (110, 145199), (115, 138886), (118, 135355), (214, 74635), (230, 69443), (253, 63130), (295, 54142), (506, 31565), (535, 29854), (590, 27071), (649, 24610), (1070, 14927), (1177, 13570), (1265, 12626), (1298, 12305), (1357, 11770), (2354, 6785), (2461, 6490), (2530, 6313), (2714, 5885), (3245, 4922)]