81225690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29753}}^1$

素因数の和:29783

約数の個数: 64

約数和(自身を含む): 239936256

約数和(自身を除く): 158710566

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 29753, 59506, 89259, 148765, 178518, 208271, 297530, 386789, 416542, 446295, 624813, 773578, 892590, 1041355, 1160367, 1249626, 1933945, 2082710, 2320734, 2707523, 3124065, 3867890, 5415046, 5801835, 6248130, 8122569, 11603670, 13537615, 16245138, 27075230, 40612845, 81225690]

約数ペア:

[(1, 81225690), (2, 40612845), (3, 27075230), (5, 16245138), (6, 13537615), (7, 11603670), (10, 8122569), (13, 6248130), (14, 5801835), (15, 5415046), (21, 3867890), (26, 3124065), (30, 2707523), (35, 2320734), (39, 2082710), (42, 1933945), (65, 1249626), (70, 1160367), (78, 1041355), (91, 892590), (105, 773578), (130, 624813), (182, 446295), (195, 416542), (210, 386789), (273, 297530), (390, 208271), (455, 178518), (546, 148765), (910, 89259), (1365, 59506), (2730, 29753)]