280376280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5227}}^1$

素因数の和:5393

約数の個数: 96

約数和(自身を含む): 917514000

約数和(自身を除く): 637137720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 149, 180, 298, 360, 447, 596, 745, 894, 1192, 1341, 1490, 1788, 2235, 2682, 2980, 3576, 4470, 5227, 5364, 5960, 6705, 8940, 10454, 10728, 13410, 15681, 17880, 20908, 26135, 26820, 31362, 41816, 47043, 52270, 53640, 62724, 78405, 94086, 104540, 125448, 156810, 188172, 209080, 235215, 313620, 376344, 470430, 627240, 778823, 940860, 1557646, 1881720, 2336469, 3115292, 3894115, 4672938, 6230584, 7009407, 7788230, 9345876, 11682345, 14018814, 15576460, 18691752, 23364690, 28037628, 31152920, 35047035, 46729380, 56075256, 70094070, 93458760, 140188140, 280376280]

約数ペア:

[(1, 280376280), (2, 140188140), (3, 93458760), (4, 70094070), (5, 56075256), (6, 46729380), (8, 35047035), (9, 31152920), (10, 28037628), (12, 23364690), (15, 18691752), (18, 15576460), (20, 14018814), (24, 11682345), (30, 9345876), (36, 7788230), (40, 7009407), (45, 6230584), (60, 4672938), (72, 3894115), (90, 3115292), (120, 2336469), (149, 1881720), (180, 1557646), (298, 940860), (360, 778823), (447, 627240), (596, 470430), (745, 376344), (894, 313620), (1192, 235215), (1341, 209080), (1490, 188172), (1788, 156810), (2235, 125448), (2682, 104540), (2980, 94086), (3576, 78405), (4470, 62724), (5227, 53640), (5364, 52270), (5960, 47043), (6705, 41816), (8940, 31362), (10454, 26820), (10728, 26135), (13410, 20908), (15681, 17880)]