1521840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 5008608

約数和(自身を除く): 3486768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 373, 408, 510, 680, 746, 816, 1020, 1119, 1360, 1492, 1865, 2040, 2238, 2984, 3730, 4080, 4476, 5595, 5968, 6341, 7460, 8952, 11190, 12682, 14920, 17904, 19023, 22380, 25364, 29840, 31705, 38046, 44760, 50728, 63410, 76092, 89520, 95115, 101456, 126820, 152184, 190230, 253640, 304368, 380460, 507280, 760920, 1521840]

約数ペア:

[(1, 1521840), (2, 760920), (3, 507280), (4, 380460), (5, 304368), (6, 253640), (8, 190230), (10, 152184), (12, 126820), (15, 101456), (16, 95115), (17, 89520), (20, 76092), (24, 63410), (30, 50728), (34, 44760), (40, 38046), (48, 31705), (51, 29840), (60, 25364), (68, 22380), (80, 19023), (85, 17904), (102, 14920), (120, 12682), (136, 11190), (170, 8952), (204, 7460), (240, 6341), (255, 5968), (272, 5595), (340, 4476), (373, 4080), (408, 3730), (510, 2984), (680, 2238), (746, 2040), (816, 1865), (1020, 1492), (1119, 1360)]