81178500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 267111936

約数和(自身を除く): 185933436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 115, 125, 130, 138, 150, 156, 181, 195, 230, 250, 260, 276, 299, 300, 325, 345, 362, 375, 390, 460, 500, 543, 575, 598, 650, 690, 724, 750, 780, 897, 905, 975, 1086, 1150, 1196, 1300, 1380, 1495, 1500, 1625, 1725, 1794, 1810, 1950, 2172, 2300, 2353, 2715, 2875, 2990, 3250, 3450, 3588, 3620, 3900, 4163, 4485, 4525, 4706, 4875, 5430, 5750, 5980, 6500, 6900, 7059, 7475, 8326, 8625, 8970, 9050, 9412, 9750, 10860, 11500, 11765, 12489, 13575, 14118, 14950, 16652, 17250, 17940, 18100, 19500, 20815, 22425, 22625, 23530, 24978, 27150, 28236, 29900, 34500, 35295, 37375, 41630, 44850, 45250, 47060, 49956, 54119, 54300, 58825, 62445, 67875, 70590, 74750, 83260, 89700, 90500, 104075, 108238, 112125, 117650, 124890, 135750, 141180, 149500, 162357, 176475, 208150, 216476, 224250, 235300, 249780, 270595, 271500, 294125, 312225, 324714, 352950, 416300, 448500, 520375, 541190, 588250, 624450, 649428, 705900, 811785, 882375, 1040750, 1082380, 1176500, 1248900, 1352975, 1561125, 1623570, 1764750, 2081500, 2705950, 3122250, 3247140, 3529500, 4058925, 5411900, 6244500, 6764875, 8117850, 13529750, 16235700, 20294625, 27059500, 40589250, 81178500]

約数ペア:

[(1, 81178500), (2, 40589250), (3, 27059500), (4, 20294625), (5, 16235700), (6, 13529750), (10, 8117850), (12, 6764875), (13, 6244500), (15, 5411900), (20, 4058925), (23, 3529500), (25, 3247140), (26, 3122250), (30, 2705950), (39, 2081500), (46, 1764750), (50, 1623570), (52, 1561125), (60, 1352975), (65, 1248900), (69, 1176500), (75, 1082380), (78, 1040750), (92, 882375), (100, 811785), (115, 705900), (125, 649428), (130, 624450), (138, 588250), (150, 541190), (156, 520375), (181, 448500), (195, 416300), (230, 352950), (250, 324714), (260, 312225), (276, 294125), (299, 271500), (300, 270595), (325, 249780), (345, 235300), (362, 224250), (375, 216476), (390, 208150), (460, 176475), (500, 162357), (543, 149500), (575, 141180), (598, 135750), (650, 124890), (690, 117650), (724, 112125), (750, 108238), (780, 104075), (897, 90500), (905, 89700), (975, 83260), (1086, 74750), (1150, 70590), (1196, 67875), (1300, 62445), (1380, 58825), (1495, 54300), (1500, 54119), (1625, 49956), (1725, 47060), (1794, 45250), (1810, 44850), (1950, 41630), (2172, 37375), (2300, 35295), (2353, 34500), (2715, 29900), (2875, 28236), (2990, 27150), (3250, 24978), (3450, 23530), (3588, 22625), (3620, 22425), (3900, 20815), (4163, 19500), (4485, 18100), (4525, 17940), (4706, 17250), (4875, 16652), (5430, 14950), (5750, 14118), (5980, 13575), (6500, 12489), (6900, 11765), (7059, 11500), (7475, 10860), (8326, 9750), (8625, 9412), (8970, 9050)]