28173960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1412

約数の個数: 128

約数和(自身を含む): 98928000

約数和(自身を除く): 70754040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1373, 1710, 2052, 2280, 2565, 2746, 3420, 4104, 4119, 5130, 5492, 6840, 6865, 8238, 10260, 10984, 12357, 13730, 16476, 20520, 20595, 24714, 26087, 27460, 32952, 37071, 41190, 49428, 52174, 54920, 61785, 74142, 78261, 82380, 98856, 104348, 123570, 130435, 148284, 156522, 164760, 185355, 208696, 234783, 247140, 260870, 296568, 313044, 370710, 391305, 469566, 494280, 521740, 626088, 704349, 741420, 782610, 939132, 1043480, 1173915, 1408698, 1482840, 1565220, 1878264, 2347830, 2817396, 3130440, 3521745, 4695660, 5634792, 7043490, 9391320, 14086980, 28173960]

約数ペア:

[(1, 28173960), (2, 14086980), (3, 9391320), (4, 7043490), (5, 5634792), (6, 4695660), (8, 3521745), (9, 3130440), (10, 2817396), (12, 2347830), (15, 1878264), (18, 1565220), (19, 1482840), (20, 1408698), (24, 1173915), (27, 1043480), (30, 939132), (36, 782610), (38, 741420), (40, 704349), (45, 626088), (54, 521740), (57, 494280), (60, 469566), (72, 391305), (76, 370710), (90, 313044), (95, 296568), (108, 260870), (114, 247140), (120, 234783), (135, 208696), (152, 185355), (171, 164760), (180, 156522), (190, 148284), (216, 130435), (228, 123570), (270, 104348), (285, 98856), (342, 82380), (360, 78261), (380, 74142), (456, 61785), (513, 54920), (540, 52174), (570, 49428), (684, 41190), (760, 37071), (855, 32952), (1026, 27460), (1080, 26087), (1140, 24714), (1368, 20595), (1373, 20520), (1710, 16476), (2052, 13730), (2280, 12357), (2565, 10984), (2746, 10260), (3420, 8238), (4104, 6865), (4119, 6840), (5130, 5492)]