15705071980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1051}}^1\times {\mathrm{4421}}^1$

素因数の和:5507

約数の個数: 72

約数和(自身を含む): 35754841584

約数和(自身を除く): 20049769604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1051, 1690, 2102, 3380, 4204, 4421, 5255, 8842, 10510, 13663, 17684, 21020, 22105, 27326, 44210, 54652, 57473, 68315, 88420, 114946, 136630, 177619, 229892, 273260, 287365, 355238, 574730, 710476, 747149, 888095, 1149460, 1494298, 1776190, 2988596, 3552380, 3735745, 4646471, 7471490, 9292942, 14942980, 18585884, 23232355, 46464710, 60404123, 92929420, 120808246, 241616492, 302020615, 604041230, 785253599, 1208082460, 1570507198, 3141014396, 3926267995, 7852535990, 15705071980]

約数ペア:

[(1, 15705071980), (2, 7852535990), (4, 3926267995), (5, 3141014396), (10, 1570507198), (13, 1208082460), (20, 785253599), (26, 604041230), (52, 302020615), (65, 241616492), (130, 120808246), (169, 92929420), (260, 60404123), (338, 46464710), (676, 23232355), (845, 18585884), (1051, 14942980), (1690, 9292942), (2102, 7471490), (3380, 4646471), (4204, 3735745), (4421, 3552380), (5255, 2988596), (8842, 1776190), (10510, 1494298), (13663, 1149460), (17684, 888095), (21020, 747149), (22105, 710476), (27326, 574730), (44210, 355238), (54652, 287365), (57473, 273260), (68315, 229892), (88420, 177619), (114946, 136630)]