15921562160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{238919}}^1$

素因数の和:238963

約数の個数: 120

約数和(自身を含む): 45594537120

約数和(自身を除く): 29672974960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 833, 952, 980, 1190, 1360, 1666, 1904, 1960, 2380, 3332, 3920, 4165, 4760, 6664, 8330, 9520, 13328, 16660, 33320, 66640, 238919, 477838, 955676, 1194595, 1672433, 1911352, 2389190, 3344866, 3822704, 4061623, 4778380, 6689732, 8123246, 8362165, 9556760, 11707031, 13379464, 16246492, 16724330, 19113520, 20308115, 23414062, 26758928, 28431361, 32492984, 33448660, 40616230, 46828124, 56862722, 58535155, 64985968, 66897320, 81232460, 93656248, 113725444, 117070310, 133794640, 142156805, 162464920, 187312496, 199019527, 227450888, 234140620, 284313610, 324929840, 398039054, 454901776, 468281240, 568627220, 796078108, 936562480, 995097635, 1137254440, 1592156216, 1990195270, 2274508880, 3184312432, 3980390540, 7960781080, 15921562160]

約数ペア:

[(1, 15921562160), (2, 7960781080), (4, 3980390540), (5, 3184312432), (7, 2274508880), (8, 1990195270), (10, 1592156216), (14, 1137254440), (16, 995097635), (17, 936562480), (20, 796078108), (28, 568627220), (34, 468281240), (35, 454901776), (40, 398039054), (49, 324929840), (56, 284313610), (68, 234140620), (70, 227450888), (80, 199019527), (85, 187312496), (98, 162464920), (112, 142156805), (119, 133794640), (136, 117070310), (140, 113725444), (170, 93656248), (196, 81232460), (238, 66897320), (245, 64985968), (272, 58535155), (280, 56862722), (340, 46828124), (392, 40616230), (476, 33448660), (490, 32492984), (560, 28431361), (595, 26758928), (680, 23414062), (784, 20308115), (833, 19113520), (952, 16724330), (980, 16246492), (1190, 13379464), (1360, 11707031), (1666, 9556760), (1904, 8362165), (1960, 8123246), (2380, 6689732), (3332, 4778380), (3920, 4061623), (4165, 3822704), (4760, 3344866), (6664, 2389190), (8330, 1911352), (9520, 1672433), (13328, 1194595), (16660, 955676), (33320, 477838), (66640, 238919)]