80525970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127819}}^1$

素因数の和:127839

約数の個数: 48

約数和(自身を含む): 239279040

約数和(自身を除く): 158753070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 127819, 255638, 383457, 639095, 766914, 894733, 1150371, 1278190, 1789466, 1917285, 2300742, 2684199, 3834570, 4473665, 5368398, 5751855, 8052597, 8947330, 11503710, 13420995, 16105194, 26841990, 40262985, 80525970]

約数ペア:

[(1, 80525970), (2, 40262985), (3, 26841990), (5, 16105194), (6, 13420995), (7, 11503710), (9, 8947330), (10, 8052597), (14, 5751855), (15, 5368398), (18, 4473665), (21, 3834570), (30, 2684199), (35, 2300742), (42, 1917285), (45, 1789466), (63, 1278190), (70, 1150371), (90, 894733), (105, 766914), (126, 639095), (210, 383457), (315, 255638), (630, 127819)]