55126980

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 168

約数和(自身を含む): 183624000

約数和(自身を除く): 128497020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 199, 228, 243, 270, 285, 324, 342, 380, 398, 405, 486, 513, 540, 570, 597, 684, 729, 796, 810, 855, 972, 995, 1026, 1140, 1194, 1215, 1458, 1539, 1620, 1710, 1791, 1990, 2052, 2388, 2430, 2565, 2916, 2985, 3078, 3420, 3582, 3645, 3781, 3980, 4617, 4860, 5130, 5373, 5970, 6156, 7164, 7290, 7562, 7695, 8955, 9234, 10260, 10746, 11343, 11940, 13851, 14580, 15124, 15390, 16119, 17910, 18468, 18905, 21492, 22686, 23085, 26865, 27702, 30780, 32238, 34029, 35820, 37810, 45372, 46170, 48357, 53730, 55404, 56715, 64476, 68058, 69255, 75620, 80595, 92340, 96714, 102087, 107460, 113430, 136116, 138510, 145071, 161190, 170145, 193428, 204174, 226860, 241785, 277020, 290142, 306261, 322380, 340290, 408348, 483570, 510435, 580284, 612522, 680580, 725355, 918783, 967140, 1020870, 1225044, 1450710, 1531305, 1837566, 2041740, 2756349, 2901420, 3062610, 3675132, 4593915, 5512698, 6125220, 9187830, 11025396, 13781745, 18375660, 27563490, 55126980]

約数ペア:

[(1, 55126980), (2, 27563490), (3, 18375660), (4, 13781745), (5, 11025396), (6, 9187830), (9, 6125220), (10, 5512698), (12, 4593915), (15, 3675132), (18, 3062610), (19, 2901420), (20, 2756349), (27, 2041740), (30, 1837566), (36, 1531305), (38, 1450710), (45, 1225044), (54, 1020870), (57, 967140), (60, 918783), (76, 725355), (81, 680580), (90, 612522), (95, 580284), (108, 510435), (114, 483570), (135, 408348), (162, 340290), (171, 322380), (180, 306261), (190, 290142), (199, 277020), (228, 241785), (243, 226860), (270, 204174), (285, 193428), (324, 170145), (342, 161190), (380, 145071), (398, 138510), (405, 136116), (486, 113430), (513, 107460), (540, 102087), (570, 96714), (597, 92340), (684, 80595), (729, 75620), (796, 69255), (810, 68058), (855, 64476), (972, 56715), (995, 55404), (1026, 53730), (1140, 48357), (1194, 46170), (1215, 45372), (1458, 37810), (1539, 35820), (1620, 34029), (1710, 32238), (1791, 30780), (1990, 27702), (2052, 26865), (2388, 23085), (2430, 22686), (2565, 21492), (2916, 18905), (2985, 18468), (3078, 17910), (3420, 16119), (3582, 15390), (3645, 15124), (3781, 14580), (3980, 13851), (4617, 11940), (4860, 11343), (5130, 10746), (5373, 10260), (5970, 9234), (6156, 8955), (7164, 7695), (7290, 7562)]