28476840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 103420800

約数和(自身を除く): 74943960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 49, 56, 58, 60, 70, 84, 87, 98, 105, 116, 120, 140, 145, 147, 167, 168, 174, 196, 203, 210, 232, 245, 280, 290, 294, 334, 348, 392, 406, 420, 435, 490, 501, 580, 588, 609, 668, 696, 735, 812, 835, 840, 870, 980, 1002, 1015, 1160, 1169, 1176, 1218, 1336, 1421, 1470, 1624, 1670, 1740, 1960, 2004, 2030, 2338, 2436, 2505, 2842, 2940, 3045, 3340, 3480, 3507, 4008, 4060, 4263, 4676, 4843, 4872, 5010, 5684, 5845, 5880, 6090, 6680, 7014, 7105, 8120, 8183, 8526, 9352, 9686, 10020, 11368, 11690, 12180, 14028, 14210, 14529, 16366, 17052, 17535, 19372, 20040, 21315, 23380, 24215, 24360, 24549, 28056, 28420, 29058, 32732, 33901, 34104, 35070, 38744, 40915, 42630, 46760, 48430, 49098, 56840, 58116, 65464, 67802, 70140, 72645, 81830, 85260, 96860, 98196, 101703, 116232, 122745, 135604, 140280, 145290, 163660, 169505, 170520, 193720, 196392, 203406, 237307, 245490, 271208, 290580, 327320, 339010, 406812, 474614, 490980, 508515, 581160, 678020, 711921, 813624, 949228, 981960, 1017030, 1186535, 1356040, 1423842, 1898456, 2034060, 2373070, 2847684, 3559605, 4068120, 4746140, 5695368, 7119210, 9492280, 14238420, 28476840]

約数ペア:

[(1, 28476840), (2, 14238420), (3, 9492280), (4, 7119210), (5, 5695368), (6, 4746140), (7, 4068120), (8, 3559605), (10, 2847684), (12, 2373070), (14, 2034060), (15, 1898456), (20, 1423842), (21, 1356040), (24, 1186535), (28, 1017030), (29, 981960), (30, 949228), (35, 813624), (40, 711921), (42, 678020), (49, 581160), (56, 508515), (58, 490980), (60, 474614), (70, 406812), (84, 339010), (87, 327320), (98, 290580), (105, 271208), (116, 245490), (120, 237307), (140, 203406), (145, 196392), (147, 193720), (167, 170520), (168, 169505), (174, 163660), (196, 145290), (203, 140280), (210, 135604), (232, 122745), (245, 116232), (280, 101703), (290, 98196), (294, 96860), (334, 85260), (348, 81830), (392, 72645), (406, 70140), (420, 67802), (435, 65464), (490, 58116), (501, 56840), (580, 49098), (588, 48430), (609, 46760), (668, 42630), (696, 40915), (735, 38744), (812, 35070), (835, 34104), (840, 33901), (870, 32732), (980, 29058), (1002, 28420), (1015, 28056), (1160, 24549), (1169, 24360), (1176, 24215), (1218, 23380), (1336, 21315), (1421, 20040), (1470, 19372), (1624, 17535), (1670, 17052), (1740, 16366), (1960, 14529), (2004, 14210), (2030, 14028), (2338, 12180), (2436, 11690), (2505, 11368), (2842, 10020), (2940, 9686), (3045, 9352), (3340, 8526), (3480, 8183), (3507, 8120), (4008, 7105), (4060, 7014), (4263, 6680), (4676, 6090), (4843, 5880), (4872, 5845), (5010, 5684)]