84781840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7411}}^1$

素因数の和:7448

約数の個数: 80

約数和(自身を含む): 231610176

約数和(自身を除く): 146828336

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 7411, 11440, 14822, 29644, 37055, 59288, 74110, 81521, 96343, 118576, 148220, 163042, 192686, 296440, 326084, 385372, 407605, 481715, 592880, 652168, 770744, 815210, 963430, 1059773, 1304336, 1541488, 1630420, 1926860, 2119546, 3260840, 3853720, 4239092, 5298865, 6521680, 7707440, 8478184, 10597730, 16956368, 21195460, 42390920, 84781840]

約数ペア:

[(1, 84781840), (2, 42390920), (4, 21195460), (5, 16956368), (8, 10597730), (10, 8478184), (11, 7707440), (13, 6521680), (16, 5298865), (20, 4239092), (22, 3853720), (26, 3260840), (40, 2119546), (44, 1926860), (52, 1630420), (55, 1541488), (65, 1304336), (80, 1059773), (88, 963430), (104, 815210), (110, 770744), (130, 652168), (143, 592880), (176, 481715), (208, 407605), (220, 385372), (260, 326084), (286, 296440), (440, 192686), (520, 163042), (572, 148220), (715, 118576), (880, 96343), (1040, 81521), (1144, 74110), (1430, 59288), (2288, 37055), (2860, 29644), (5720, 14822), (7411, 11440)]