28404810

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 93571200

約数和(自身を除く): 65166390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 49, 54, 57, 63, 70, 90, 95, 98, 105, 113, 114, 126, 133, 135, 147, 171, 189, 190, 210, 226, 245, 266, 270, 285, 294, 315, 339, 342, 378, 399, 441, 490, 513, 565, 570, 630, 665, 678, 735, 791, 798, 855, 882, 931, 945, 1017, 1026, 1130, 1197, 1323, 1330, 1470, 1582, 1695, 1710, 1862, 1890, 1995, 2034, 2147, 2205, 2373, 2394, 2565, 2646, 2793, 3051, 3390, 3591, 3955, 3990, 4294, 4410, 4655, 4746, 5085, 5130, 5537, 5586, 5985, 6102, 6441, 6615, 7119, 7182, 7910, 8379, 9310, 10170, 10735, 11074, 11865, 11970, 12882, 13230, 13965, 14238, 15029, 15255, 16611, 16758, 17955, 19323, 21357, 21470, 23730, 25137, 27685, 27930, 30058, 30510, 32205, 33222, 35595, 35910, 38646, 41895, 42714, 45087, 49833, 50274, 55370, 57969, 64410, 71190, 75145, 83055, 83790, 90174, 96615, 99666, 105203, 106785, 115938, 125685, 135261, 149499, 150290, 166110, 193230, 210406, 213570, 225435, 249165, 251370, 270522, 289845, 298998, 315609, 405783, 450870, 498330, 526015, 579690, 631218, 676305, 747495, 811566, 946827, 1052030, 1352610, 1494990, 1578045, 1893654, 2028915, 2840481, 3156090, 4057830, 4734135, 5680962, 9468270, 14202405, 28404810]

約数ペア:

[(1, 28404810), (2, 14202405), (3, 9468270), (5, 5680962), (6, 4734135), (7, 4057830), (9, 3156090), (10, 2840481), (14, 2028915), (15, 1893654), (18, 1578045), (19, 1494990), (21, 1352610), (27, 1052030), (30, 946827), (35, 811566), (38, 747495), (42, 676305), (45, 631218), (49, 579690), (54, 526015), (57, 498330), (63, 450870), (70, 405783), (90, 315609), (95, 298998), (98, 289845), (105, 270522), (113, 251370), (114, 249165), (126, 225435), (133, 213570), (135, 210406), (147, 193230), (171, 166110), (189, 150290), (190, 149499), (210, 135261), (226, 125685), (245, 115938), (266, 106785), (270, 105203), (285, 99666), (294, 96615), (315, 90174), (339, 83790), (342, 83055), (378, 75145), (399, 71190), (441, 64410), (490, 57969), (513, 55370), (565, 50274), (570, 49833), (630, 45087), (665, 42714), (678, 41895), (735, 38646), (791, 35910), (798, 35595), (855, 33222), (882, 32205), (931, 30510), (945, 30058), (1017, 27930), (1026, 27685), (1130, 25137), (1197, 23730), (1323, 21470), (1330, 21357), (1470, 19323), (1582, 17955), (1695, 16758), (1710, 16611), (1862, 15255), (1890, 15029), (1995, 14238), (2034, 13965), (2147, 13230), (2205, 12882), (2373, 11970), (2394, 11865), (2565, 11074), (2646, 10735), (2793, 10170), (3051, 9310), (3390, 8379), (3591, 7910), (3955, 7182), (3990, 7119), (4294, 6615), (4410, 6441), (4655, 6102), (4746, 5985), (5085, 5586), (5130, 5537)]