1880778840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{13523}}^1$

素因数の和:13617

約数の個数: 128

約数和(自身を含む): 6037113600

約数和(自身を除く): 4156334760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 61, 76, 95, 114, 120, 122, 152, 183, 190, 228, 244, 285, 305, 366, 380, 456, 488, 570, 610, 732, 760, 915, 1140, 1159, 1220, 1464, 1830, 2280, 2318, 2440, 3477, 3660, 4636, 5795, 6954, 7320, 9272, 11590, 13523, 13908, 17385, 23180, 27046, 27816, 34770, 40569, 46360, 54092, 67615, 69540, 81138, 108184, 135230, 139080, 162276, 202845, 256937, 270460, 324552, 405690, 513874, 540920, 770811, 811380, 824903, 1027748, 1284685, 1541622, 1622760, 1649806, 2055496, 2474709, 2569370, 3083244, 3299612, 3854055, 4124515, 4949418, 5138740, 6166488, 6599224, 7708110, 8249030, 9898836, 10277480, 12373545, 15416220, 15673157, 16498060, 19797672, 24747090, 30832440, 31346314, 32996120, 47019471, 49494180, 62692628, 78365785, 94038942, 98988360, 125385256, 156731570, 188077884, 235097355, 313463140, 376155768, 470194710, 626926280, 940389420, 1880778840]

約数ペア:

[(1, 1880778840), (2, 940389420), (3, 626926280), (4, 470194710), (5, 376155768), (6, 313463140), (8, 235097355), (10, 188077884), (12, 156731570), (15, 125385256), (19, 98988360), (20, 94038942), (24, 78365785), (30, 62692628), (38, 49494180), (40, 47019471), (57, 32996120), (60, 31346314), (61, 30832440), (76, 24747090), (95, 19797672), (114, 16498060), (120, 15673157), (122, 15416220), (152, 12373545), (183, 10277480), (190, 9898836), (228, 8249030), (244, 7708110), (285, 6599224), (305, 6166488), (366, 5138740), (380, 4949418), (456, 4124515), (488, 3854055), (570, 3299612), (610, 3083244), (732, 2569370), (760, 2474709), (915, 2055496), (1140, 1649806), (1159, 1622760), (1220, 1541622), (1464, 1284685), (1830, 1027748), (2280, 824903), (2318, 811380), (2440, 770811), (3477, 540920), (3660, 513874), (4636, 405690), (5795, 324552), (6954, 270460), (7320, 256937), (9272, 202845), (11590, 162276), (13523, 139080), (13908, 135230), (17385, 108184), (23180, 81138), (27046, 69540), (27816, 67615), (34770, 54092), (40569, 46360)]