918708840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{52081}}^1$

素因数の和:52112

約数の個数: 144

約数和(自身を含む): 3473348580

約数和(自身を除く): 2554639740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 52081, 104162, 156243, 208324, 260405, 312486, 364567, 416648, 468729, 520810, 624972, 729134, 781215, 937458, 1041620, 1093701, 1249944, 1458268, 1562430, 1822835, 1874916, 2083240, 2187402, 2343645, 2551969, 2916536, 3124860, 3281103, 3645670, 3749832, 4374804, 4687290, 5103938, 5468505, 6249720, 6562206, 7291340, 7655907, 8749608, 9374580, 10207876, 10937010, 12759845, 13124412, 14582680, 15311814, 16405515, 18749160, 20415752, 21874020, 22967721, 25519690, 26248824, 30623628, 32811030, 38279535, 43748040, 45935442, 51039380, 61247256, 65622060, 76559070, 91870884, 102078760, 114838605, 131244120, 153118140, 183741768, 229677210, 306236280, 459354420, 918708840]

約数ペア:

[(1, 918708840), (2, 459354420), (3, 306236280), (4, 229677210), (5, 183741768), (6, 153118140), (7, 131244120), (8, 114838605), (9, 102078760), (10, 91870884), (12, 76559070), (14, 65622060), (15, 61247256), (18, 51039380), (20, 45935442), (21, 43748040), (24, 38279535), (28, 32811030), (30, 30623628), (35, 26248824), (36, 25519690), (40, 22967721), (42, 21874020), (45, 20415752), (49, 18749160), (56, 16405515), (60, 15311814), (63, 14582680), (70, 13124412), (72, 12759845), (84, 10937010), (90, 10207876), (98, 9374580), (105, 8749608), (120, 7655907), (126, 7291340), (140, 6562206), (147, 6249720), (168, 5468505), (180, 5103938), (196, 4687290), (210, 4374804), (245, 3749832), (252, 3645670), (280, 3281103), (294, 3124860), (315, 2916536), (360, 2551969), (392, 2343645), (420, 2187402), (441, 2083240), (490, 1874916), (504, 1822835), (588, 1562430), (630, 1458268), (735, 1249944), (840, 1093701), (882, 1041620), (980, 937458), (1176, 781215), (1260, 729134), (1470, 624972), (1764, 520810), (1960, 468729), (2205, 416648), (2520, 364567), (2940, 312486), (3528, 260405), (4410, 208324), (5880, 156243), (8820, 104162), (17640, 52081)]