155205900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:872

約数の個数: 108

約数和(自身を含む): 488890584

約数和(自身を除く): 333684684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 331, 450, 521, 662, 900, 993, 1042, 1324, 1563, 1655, 1986, 2084, 2605, 2979, 3126, 3310, 3972, 4689, 4965, 5210, 5958, 6252, 6620, 7815, 8275, 9378, 9930, 10420, 11916, 13025, 14895, 15630, 16550, 18756, 19860, 23445, 24825, 26050, 29790, 31260, 33100, 39075, 46890, 49650, 52100, 59580, 74475, 78150, 93780, 99300, 117225, 148950, 156300, 172451, 234450, 297900, 344902, 468900, 517353, 689804, 862255, 1034706, 1552059, 1724510, 2069412, 2586765, 3104118, 3449020, 4311275, 5173530, 6208236, 7760295, 8622550, 10347060, 12933825, 15520590, 17245100, 25867650, 31041180, 38801475, 51735300, 77602950, 155205900]

約数ペア:

[(1, 155205900), (2, 77602950), (3, 51735300), (4, 38801475), (5, 31041180), (6, 25867650), (9, 17245100), (10, 15520590), (12, 12933825), (15, 10347060), (18, 8622550), (20, 7760295), (25, 6208236), (30, 5173530), (36, 4311275), (45, 3449020), (50, 3104118), (60, 2586765), (75, 2069412), (90, 1724510), (100, 1552059), (150, 1034706), (180, 862255), (225, 689804), (300, 517353), (331, 468900), (450, 344902), (521, 297900), (662, 234450), (900, 172451), (993, 156300), (1042, 148950), (1324, 117225), (1563, 99300), (1655, 93780), (1986, 78150), (2084, 74475), (2605, 59580), (2979, 52100), (3126, 49650), (3310, 46890), (3972, 39075), (4689, 33100), (4965, 31260), (5210, 29790), (5958, 26050), (6252, 24825), (6620, 23445), (7815, 19860), (8275, 18756), (9378, 16550), (9930, 15630), (10420, 14895), (11916, 13025)]