19624920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 68567040

約数和(自身を除く): 48942120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 383, 420, 427, 488, 610, 732, 766, 840, 854, 915, 1149, 1220, 1281, 1464, 1532, 1708, 1830, 1915, 2135, 2298, 2440, 2562, 2681, 3064, 3416, 3660, 3830, 4270, 4596, 5124, 5362, 5745, 6405, 7320, 7660, 8043, 8540, 9192, 10248, 10724, 11490, 12810, 13405, 15320, 16086, 17080, 21448, 22980, 23363, 25620, 26810, 32172, 40215, 45960, 46726, 51240, 53620, 64344, 70089, 80430, 93452, 107240, 116815, 140178, 160860, 163541, 186904, 233630, 280356, 321720, 327082, 350445, 467260, 490623, 560712, 654164, 700890, 817705, 934520, 981246, 1308328, 1401780, 1635410, 1962492, 2453115, 2803560, 3270820, 3924984, 4906230, 6541640, 9812460, 19624920]

約数ペア:

[(1, 19624920), (2, 9812460), (3, 6541640), (4, 4906230), (5, 3924984), (6, 3270820), (7, 2803560), (8, 2453115), (10, 1962492), (12, 1635410), (14, 1401780), (15, 1308328), (20, 981246), (21, 934520), (24, 817705), (28, 700890), (30, 654164), (35, 560712), (40, 490623), (42, 467260), (56, 350445), (60, 327082), (61, 321720), (70, 280356), (84, 233630), (105, 186904), (120, 163541), (122, 160860), (140, 140178), (168, 116815), (183, 107240), (210, 93452), (244, 80430), (280, 70089), (305, 64344), (366, 53620), (383, 51240), (420, 46726), (427, 45960), (488, 40215), (610, 32172), (732, 26810), (766, 25620), (840, 23363), (854, 22980), (915, 21448), (1149, 17080), (1220, 16086), (1281, 15320), (1464, 13405), (1532, 12810), (1708, 11490), (1830, 10724), (1915, 10248), (2135, 9192), (2298, 8540), (2440, 8043), (2562, 7660), (2681, 7320), (3064, 6405), (3416, 5745), (3660, 5362), (3830, 5124), (4270, 4596)]