318551940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{4013}}^1$

素因数の和:4048

約数の個数: 180

約数和(自身を含む): 1162751436

約数和(自身を除く): 844199496

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2646, 2835, 2940, 3780, 3969, 4013, 4410, 5292, 5670, 6615, 7938, 8026, 8820, 11340, 12039, 13230, 15876, 16052, 19845, 20065, 24078, 26460, 28091, 36117, 39690, 40130, 48156, 56182, 60195, 72234, 79380, 80260, 84273, 108351, 112364, 120390, 140455, 144468, 168546, 180585, 196637, 216702, 240780, 252819, 280910, 325053, 337092, 361170, 393274, 421365, 433404, 505638, 541755, 561820, 589911, 650106, 722340, 758457, 786548, 842730, 983185, 1011276, 1083510, 1179822, 1264095, 1300212, 1516914, 1625265, 1685460, 1769733, 1966370, 2167020, 2275371, 2359644, 2528190, 2949555, 3033828, 3250530, 3539466, 3792285, 3932740, 4550742, 5056380, 5309199, 5899110, 6501060, 7078932, 7584570, 8848665, 9101484, 10618398, 11376855, 11798220, 15169140, 15927597, 17697330, 21236796, 22753710, 26545995, 31855194, 35394660, 45507420, 53091990, 63710388, 79637985, 106183980, 159275970, 318551940]

約数ペア:

[(1, 318551940), (2, 159275970), (3, 106183980), (4, 79637985), (5, 63710388), (6, 53091990), (7, 45507420), (9, 35394660), (10, 31855194), (12, 26545995), (14, 22753710), (15, 21236796), (18, 17697330), (20, 15927597), (21, 15169140), (27, 11798220), (28, 11376855), (30, 10618398), (35, 9101484), (36, 8848665), (42, 7584570), (45, 7078932), (49, 6501060), (54, 5899110), (60, 5309199), (63, 5056380), (70, 4550742), (81, 3932740), (84, 3792285), (90, 3539466), (98, 3250530), (105, 3033828), (108, 2949555), (126, 2528190), (135, 2359644), (140, 2275371), (147, 2167020), (162, 1966370), (180, 1769733), (189, 1685460), (196, 1625265), (210, 1516914), (245, 1300212), (252, 1264095), (270, 1179822), (294, 1083510), (315, 1011276), (324, 983185), (378, 842730), (405, 786548), (420, 758457), (441, 722340), (490, 650106), (540, 589911), (567, 561820), (588, 541755), (630, 505638), (735, 433404), (756, 421365), (810, 393274), (882, 361170), (945, 337092), (980, 325053), (1134, 280910), (1260, 252819), (1323, 240780), (1470, 216702), (1620, 196637), (1764, 180585), (1890, 168546), (2205, 144468), (2268, 140455), (2646, 120390), (2835, 112364), (2940, 108351), (3780, 84273), (3969, 80260), (4013, 79380), (4410, 72234), (5292, 60195), (5670, 56182), (6615, 48156), (7938, 40130), (8026, 39690), (8820, 36117), (11340, 28091), (12039, 26460), (13230, 24078), (15876, 20065), (16052, 19845)]