16720650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:600

約数の個数: 72

約数和(自身を含む): 45627660

約数和(自身を除く): 28907010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 73, 75, 90, 146, 150, 219, 225, 365, 438, 450, 509, 657, 730, 1018, 1095, 1314, 1527, 1825, 2190, 2545, 3054, 3285, 3650, 4581, 5090, 5475, 6570, 7635, 9162, 10950, 12725, 15270, 16425, 22905, 25450, 32850, 37157, 38175, 45810, 74314, 76350, 111471, 114525, 185785, 222942, 229050, 334413, 371570, 557355, 668826, 928925, 1114710, 1672065, 1857850, 2786775, 3344130, 5573550, 8360325, 16720650]

約数ペア:

[(1, 16720650), (2, 8360325), (3, 5573550), (5, 3344130), (6, 2786775), (9, 1857850), (10, 1672065), (15, 1114710), (18, 928925), (25, 668826), (30, 557355), (45, 371570), (50, 334413), (73, 229050), (75, 222942), (90, 185785), (146, 114525), (150, 111471), (219, 76350), (225, 74314), (365, 45810), (438, 38175), (450, 37157), (509, 32850), (657, 25450), (730, 22905), (1018, 16425), (1095, 15270), (1314, 12725), (1527, 10950), (1825, 9162), (2190, 7635), (2545, 6570), (3054, 5475), (3285, 5090), (3650, 4581)]