19860720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7523}}^1$

素因数の和:7550

約数の個数: 80

約数和(自身を含む): 67174272

約数和(自身を除く): 47313552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7523, 15046, 22569, 30092, 37615, 45138, 60184, 75230, 82753, 90276, 112845, 120368, 150460, 165506, 180552, 225690, 248259, 300920, 331012, 361104, 413765, 451380, 496518, 601840, 662024, 827530, 902760, 993036, 1241295, 1324048, 1655060, 1805520, 1986072, 2482590, 3310120, 3972144, 4965180, 6620240, 9930360, 19860720]

約数ペア:

[(1, 19860720), (2, 9930360), (3, 6620240), (4, 4965180), (5, 3972144), (6, 3310120), (8, 2482590), (10, 1986072), (11, 1805520), (12, 1655060), (15, 1324048), (16, 1241295), (20, 993036), (22, 902760), (24, 827530), (30, 662024), (33, 601840), (40, 496518), (44, 451380), (48, 413765), (55, 361104), (60, 331012), (66, 300920), (80, 248259), (88, 225690), (110, 180552), (120, 165506), (132, 150460), (165, 120368), (176, 112845), (220, 90276), (240, 82753), (264, 75230), (330, 60184), (440, 45138), (528, 37615), (660, 30092), (880, 22569), (1320, 15046), (2640, 7523)]