78861900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 249990944

約数和(自身を除く): 171129044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 73, 75, 78, 100, 130, 146, 150, 156, 195, 219, 260, 277, 292, 300, 325, 365, 390, 438, 554, 650, 730, 780, 831, 876, 949, 975, 1095, 1108, 1300, 1385, 1460, 1662, 1825, 1898, 1950, 2190, 2770, 2847, 3324, 3601, 3650, 3796, 3900, 4155, 4380, 4745, 5475, 5540, 5694, 6925, 7202, 7300, 8310, 9490, 10803, 10950, 11388, 13850, 14235, 14404, 16620, 18005, 18980, 20221, 20775, 21606, 21900, 23725, 27700, 28470, 36010, 40442, 41550, 43212, 47450, 54015, 56940, 60663, 71175, 72020, 80884, 83100, 90025, 94900, 101105, 108030, 121326, 142350, 180050, 202210, 216060, 242652, 262873, 270075, 284700, 303315, 360100, 404420, 505525, 525746, 540150, 606630, 788619, 1011050, 1051492, 1080300, 1213260, 1314365, 1516575, 1577238, 2022100, 2628730, 3033150, 3154476, 3943095, 5257460, 6066300, 6571825, 7886190, 13143650, 15772380, 19715475, 26287300, 39430950, 78861900]

約数ペア:

[(1, 78861900), (2, 39430950), (3, 26287300), (4, 19715475), (5, 15772380), (6, 13143650), (10, 7886190), (12, 6571825), (13, 6066300), (15, 5257460), (20, 3943095), (25, 3154476), (26, 3033150), (30, 2628730), (39, 2022100), (50, 1577238), (52, 1516575), (60, 1314365), (65, 1213260), (73, 1080300), (75, 1051492), (78, 1011050), (100, 788619), (130, 606630), (146, 540150), (150, 525746), (156, 505525), (195, 404420), (219, 360100), (260, 303315), (277, 284700), (292, 270075), (300, 262873), (325, 242652), (365, 216060), (390, 202210), (438, 180050), (554, 142350), (650, 121326), (730, 108030), (780, 101105), (831, 94900), (876, 90025), (949, 83100), (975, 80884), (1095, 72020), (1108, 71175), (1300, 60663), (1385, 56940), (1460, 54015), (1662, 47450), (1825, 43212), (1898, 41550), (1950, 40442), (2190, 36010), (2770, 28470), (2847, 27700), (3324, 23725), (3601, 21900), (3650, 21606), (3796, 20775), (3900, 20221), (4155, 18980), (4380, 18005), (4745, 16620), (5475, 14404), (5540, 14235), (5694, 13850), (6925, 11388), (7202, 10950), (7300, 10803), (8310, 9490)]