161651100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 508682720

約数和(自身を除く): 347031620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 181, 195, 229, 260, 300, 325, 362, 390, 458, 543, 650, 687, 724, 780, 905, 916, 975, 1086, 1145, 1300, 1374, 1810, 1950, 2172, 2290, 2353, 2715, 2748, 2977, 3435, 3620, 3900, 4525, 4580, 4706, 5430, 5725, 5954, 6870, 7059, 8931, 9050, 9412, 10860, 11450, 11765, 11908, 13575, 13740, 14118, 14885, 17175, 17862, 18100, 22900, 23530, 27150, 28236, 29770, 34350, 35295, 35724, 41449, 44655, 47060, 54300, 58825, 59540, 68700, 70590, 74425, 82898, 89310, 117650, 124347, 141180, 148850, 165796, 176475, 178620, 207245, 223275, 235300, 248694, 297700, 352950, 414490, 446550, 497388, 538837, 621735, 705900, 828980, 893100, 1036225, 1077674, 1243470, 1616511, 2072450, 2155348, 2486940, 2694185, 3108675, 3233022, 4144900, 5388370, 6217350, 6466044, 8082555, 10776740, 12434700, 13470925, 16165110, 26941850, 32330220, 40412775, 53883700, 80825550, 161651100]

約数ペア:

[(1, 161651100), (2, 80825550), (3, 53883700), (4, 40412775), (5, 32330220), (6, 26941850), (10, 16165110), (12, 13470925), (13, 12434700), (15, 10776740), (20, 8082555), (25, 6466044), (26, 6217350), (30, 5388370), (39, 4144900), (50, 3233022), (52, 3108675), (60, 2694185), (65, 2486940), (75, 2155348), (78, 2072450), (100, 1616511), (130, 1243470), (150, 1077674), (156, 1036225), (181, 893100), (195, 828980), (229, 705900), (260, 621735), (300, 538837), (325, 497388), (362, 446550), (390, 414490), (458, 352950), (543, 297700), (650, 248694), (687, 235300), (724, 223275), (780, 207245), (905, 178620), (916, 176475), (975, 165796), (1086, 148850), (1145, 141180), (1300, 124347), (1374, 117650), (1810, 89310), (1950, 82898), (2172, 74425), (2290, 70590), (2353, 68700), (2715, 59540), (2748, 58825), (2977, 54300), (3435, 47060), (3620, 44655), (3900, 41449), (4525, 35724), (4580, 35295), (4706, 34350), (5430, 29770), (5725, 28236), (5954, 27150), (6870, 23530), (7059, 22900), (8931, 18100), (9050, 17862), (9412, 17175), (10860, 14885), (11450, 14118), (11765, 13740), (11908, 13575)]