78952380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101221}}^1$

素因数の和:101246

約数の個数: 48

約数和(自身を含む): 238074144

約数和(自身を除く): 159121764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 101221, 202442, 303663, 404884, 506105, 607326, 1012210, 1214652, 1315873, 1518315, 2024420, 2631746, 3036630, 3947619, 5263492, 6073260, 6579365, 7895238, 13158730, 15790476, 19738095, 26317460, 39476190, 78952380]

約数ペア:

[(1, 78952380), (2, 39476190), (3, 26317460), (4, 19738095), (5, 15790476), (6, 13158730), (10, 7895238), (12, 6579365), (13, 6073260), (15, 5263492), (20, 3947619), (26, 3036630), (30, 2631746), (39, 2024420), (52, 1518315), (60, 1315873), (65, 1214652), (78, 1012210), (130, 607326), (156, 506105), (195, 404884), (260, 303663), (390, 202442), (780, 101221)]