318517920

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{3511}}^1$

素因数の和:3545

約数の個数: 240

約数和(自身を含む): 1285054848

約数和(自身を除く): 966536928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3511, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7022, 7560, 9072, 10080, 10533, 11340, 12960, 14044, 15120, 17555, 18144, 21066, 22680, 24577, 28088, 30240, 31599, 35110, 42132, 45360, 49154, 52665, 56176, 63198, 70220, 73731, 84264, 90720, 94797, 98308, 105330, 112352, 122885, 126396, 140440, 147462, 157995, 168528, 189594, 196616, 210660, 221193, 245770, 252792, 280880, 284391, 294924, 315990, 337056, 368655, 379188, 393232, 421320, 442386, 473985, 491540, 505584, 561760, 568782, 589848, 631980, 663579, 737310, 758376, 786464, 842640, 884772, 947970, 983080, 1011168, 1105965, 1137564, 1179696, 1263960, 1327158, 1421955, 1474620, 1516752, 1685280, 1769544, 1895940, 1966160, 1990737, 2211930, 2275128, 2359392, 2527920, 2654316, 2843910, 2949240, 3033504, 3317895, 3539088, 3791880, 3932320, 3981474, 4423860, 4550256, 5055840, 5308632, 5687820, 5898480, 6635790, 7078176, 7583760, 7962948, 8847720, 9100512, 9953685, 10617264, 11375640, 11796960, 13271580, 15167520, 15925896, 17695440, 19907370, 21234528, 22751280, 26543160, 31851792, 35390880, 39814740, 45502560, 53086320, 63703584, 79629480, 106172640, 159258960, 318517920]

約数ペア:

[(1, 318517920), (2, 159258960), (3, 106172640), (4, 79629480), (5, 63703584), (6, 53086320), (7, 45502560), (8, 39814740), (9, 35390880), (10, 31851792), (12, 26543160), (14, 22751280), (15, 21234528), (16, 19907370), (18, 17695440), (20, 15925896), (21, 15167520), (24, 13271580), (27, 11796960), (28, 11375640), (30, 10617264), (32, 9953685), (35, 9100512), (36, 8847720), (40, 7962948), (42, 7583760), (45, 7078176), (48, 6635790), (54, 5898480), (56, 5687820), (60, 5308632), (63, 5055840), (70, 4550256), (72, 4423860), (80, 3981474), (81, 3932320), (84, 3791880), (90, 3539088), (96, 3317895), (105, 3033504), (108, 2949240), (112, 2843910), (120, 2654316), (126, 2527920), (135, 2359392), (140, 2275128), (144, 2211930), (160, 1990737), (162, 1966160), (168, 1895940), (180, 1769544), (189, 1685280), (210, 1516752), (216, 1474620), (224, 1421955), (240, 1327158), (252, 1263960), (270, 1179696), (280, 1137564), (288, 1105965), (315, 1011168), (324, 983080), (336, 947970), (360, 884772), (378, 842640), (405, 786464), (420, 758376), (432, 737310), (480, 663579), (504, 631980), (540, 589848), (560, 568782), (567, 561760), (630, 505584), (648, 491540), (672, 473985), (720, 442386), (756, 421320), (810, 393232), (840, 379188), (864, 368655), (945, 337056), (1008, 315990), (1080, 294924), (1120, 284391), (1134, 280880), (1260, 252792), (1296, 245770), (1440, 221193), (1512, 210660), (1620, 196616), (1680, 189594), (1890, 168528), (2016, 157995), (2160, 147462), (2268, 140440), (2520, 126396), (2592, 122885), (2835, 112352), (3024, 105330), (3240, 98308), (3360, 94797), (3511, 90720), (3780, 84264), (4320, 73731), (4536, 70220), (5040, 63198), (5670, 56176), (6048, 52665), (6480, 49154), (7022, 45360), (7560, 42132), (9072, 35110), (10080, 31599), (10533, 30240), (11340, 28088), (12960, 24577), (14044, 22680), (15120, 21066), (17555, 18144)]