215684280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{12227}}^1$

素因数の和:12258

約数の個数: 144

約数和(自身を含む): 815485320

約数和(自身を除く): 599801040

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, 12227, 17640, 24454, 36681, 48908, 61135, 73362, 85589, 97816, 110043, 122270, 146724, 171178, 183405, 220086, 244540, 256767, 293448, 342356, 366810, 427945, 440172, 489080, 513534, 550215, 599123, 684712, 733620, 770301, 855890, 880344, 1027068, 1100430, 1198246, 1283835, 1467240, 1540602, 1711780, 1797369, 2054136, 2200860, 2396492, 2567670, 2995615, 3081204, 3423560, 3594738, 3851505, 4401720, 4792984, 5135340, 5392107, 5991230, 6162408, 7189476, 7703010, 8986845, 10270680, 10784214, 11982460, 14378952, 15406020, 17973690, 21568428, 23964920, 26960535, 30812040, 35947380, 43136856, 53921070, 71894760, 107842140, 215684280]

約数ペア:

[(1, 215684280), (2, 107842140), (3, 71894760), (4, 53921070), (5, 43136856), (6, 35947380), (7, 30812040), (8, 26960535), (9, 23964920), (10, 21568428), (12, 17973690), (14, 15406020), (15, 14378952), (18, 11982460), (20, 10784214), (21, 10270680), (24, 8986845), (28, 7703010), (30, 7189476), (35, 6162408), (36, 5991230), (40, 5392107), (42, 5135340), (45, 4792984), (49, 4401720), (56, 3851505), (60, 3594738), (63, 3423560), (70, 3081204), (72, 2995615), (84, 2567670), (90, 2396492), (98, 2200860), (105, 2054136), (120, 1797369), (126, 1711780), (140, 1540602), (147, 1467240), (168, 1283835), (180, 1198246), (196, 1100430), (210, 1027068), (245, 880344), (252, 855890), (280, 770301), (294, 733620), (315, 684712), (360, 599123), (392, 550215), (420, 513534), (441, 489080), (490, 440172), (504, 427945), (588, 366810), (630, 342356), (735, 293448), (840, 256767), (882, 244540), (980, 220086), (1176, 183405), (1260, 171178), (1470, 146724), (1764, 122270), (1960, 110043), (2205, 97816), (2520, 85589), (2940, 73362), (3528, 61135), (4410, 48908), (5880, 36681), (8820, 24454), (12227, 17640)]