80117700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20543}}^1$

素因数の和:20573

約数の個数: 72

約数和(自身を含む): 249650688

約数和(自身を除く): 169532988

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, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 20543, 41086, 61629, 82172, 102715, 123258, 205430, 246516, 267059, 308145, 410860, 513575, 534118, 616290, 801177, 1027150, 1068236, 1232580, 1335295, 1540725, 1602354, 2054300, 2670590, 3081450, 3204708, 4005885, 5341180, 6162900, 6676475, 8011770, 13352950, 16023540, 20029425, 26705900, 40058850, 80117700]

約数ペア:

[(1, 80117700), (2, 40058850), (3, 26705900), (4, 20029425), (5, 16023540), (6, 13352950), (10, 8011770), (12, 6676475), (13, 6162900), (15, 5341180), (20, 4005885), (25, 3204708), (26, 3081450), (30, 2670590), (39, 2054300), (50, 1602354), (52, 1540725), (60, 1335295), (65, 1232580), (75, 1068236), (78, 1027150), (100, 801177), (130, 616290), (150, 534118), (156, 513575), (195, 410860), (260, 308145), (300, 267059), (325, 246516), (390, 205430), (650, 123258), (780, 102715), (975, 82172), (1300, 61629), (1950, 41086), (3900, 20543)]