18979132680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{308303}}^1$

素因数の和:308345

約数の個数: 160

約数和(自身を含む): 67148611200

約数和(自身を除く): 48169478520

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, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 4104, 5130, 6156, 6840, 7695, 10260, 12312, 15390, 20520, 30780, 61560, 308303, 616606, 924909, 1233212, 1541515, 1849818, 2466424, 2774727, 3083030, 3699636, 4624545, 5549454, 5857757, 6166060, 7399272, 8324181, 9249090, 11098908, 11715514, 12332120, 13873635, 16648362, 17573271, 18498180, 22197816, 23431028, 24972543, 27747270, 29288785, 33296724, 35146542, 36996360, 41620905, 46862056, 49945086, 52719813, 55494540, 58577570, 66593448, 70293084, 83241810, 87866355, 99890172, 105439626, 110989080, 117155140, 124862715, 140586168, 158159439, 166483620, 175732710, 199780344, 210879252, 234310280, 249725430, 263599065, 316318878, 332967240, 351465420, 421758504, 474478317, 499450860, 527198130, 632637756, 702930840, 790797195, 948956634, 998901720, 1054396260, 1265275512, 1581594390, 1897913268, 2108792520, 2372391585, 3163188780, 3795826536, 4744783170, 6326377560, 9489566340, 18979132680]

約数ペア:

[(1, 18979132680), (2, 9489566340), (3, 6326377560), (4, 4744783170), (5, 3795826536), (6, 3163188780), (8, 2372391585), (9, 2108792520), (10, 1897913268), (12, 1581594390), (15, 1265275512), (18, 1054396260), (19, 998901720), (20, 948956634), (24, 790797195), (27, 702930840), (30, 632637756), (36, 527198130), (38, 499450860), (40, 474478317), (45, 421758504), (54, 351465420), (57, 332967240), (60, 316318878), (72, 263599065), (76, 249725430), (81, 234310280), (90, 210879252), (95, 199780344), (108, 175732710), (114, 166483620), (120, 158159439), (135, 140586168), (152, 124862715), (162, 117155140), (171, 110989080), (180, 105439626), (190, 99890172), (216, 87866355), (228, 83241810), (270, 70293084), (285, 66593448), (324, 58577570), (342, 55494540), (360, 52719813), (380, 49945086), (405, 46862056), (456, 41620905), (513, 36996360), (540, 35146542), (570, 33296724), (648, 29288785), (684, 27747270), (760, 24972543), (810, 23431028), (855, 22197816), (1026, 18498180), (1080, 17573271), (1140, 16648362), (1368, 13873635), (1539, 12332120), (1620, 11715514), (1710, 11098908), (2052, 9249090), (2280, 8324181), (2565, 7399272), (3078, 6166060), (3240, 5857757), (3420, 5549454), (4104, 4624545), (5130, 3699636), (6156, 3083030), (6840, 2774727), (7695, 2466424), (10260, 1849818), (12312, 1541515), (15390, 1233212), (20520, 924909), (30780, 616606), (61560, 308303)]