1277670420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:571

約数の個数: 216

約数和(自身を含む): 4249712376

約数和(自身を除く): 2972041956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 97, 117, 130, 156, 169, 180, 194, 195, 234, 260, 291, 338, 388, 390, 433, 468, 485, 507, 582, 585, 676, 780, 845, 866, 873, 970, 1014, 1164, 1170, 1261, 1299, 1455, 1521, 1690, 1732, 1746, 1940, 2028, 2165, 2340, 2522, 2535, 2598, 2910, 3042, 3380, 3492, 3783, 3897, 4330, 4365, 5044, 5070, 5196, 5629, 5820, 6084, 6305, 6495, 7566, 7605, 7794, 8660, 8730, 10140, 11258, 11349, 12610, 12990, 15132, 15210, 15588, 16393, 16887, 17460, 18915, 19485, 22516, 22698, 25220, 25980, 28145, 30420, 32786, 33774, 37830, 38970, 42001, 45396, 49179, 50661, 56290, 56745, 65572, 67548, 73177, 75660, 77940, 81965, 84002, 84435, 98358, 101322, 112580, 113490, 126003, 146354, 147537, 163930, 168004, 168870, 196716, 202644, 210005, 219531, 226980, 245895, 252006, 253305, 292708, 295074, 327860, 337740, 365885, 378009, 420010, 439062, 491790, 504012, 506610, 546013, 590148, 630015, 658593, 731770, 737685, 756018, 840020, 878124, 983580, 1013220, 1092026, 1097655, 1260030, 1317186, 1463540, 1475370, 1512036, 1638039, 1890045, 2184052, 2195310, 2520060, 2634372, 2730065, 2950740, 3276078, 3292965, 3780090, 4390620, 4914117, 5460130, 6552156, 6585930, 7098169, 7560180, 8190195, 9828234, 10920260, 13171860, 14196338, 16380390, 19656468, 21294507, 24570585, 28392676, 32760780, 35490845, 42589014, 49141170, 63883521, 70981690, 85178028, 98282340, 106472535, 127767042, 141963380, 212945070, 255534084, 319417605, 425890140, 638835210, 1277670420]

約数ペア:

[(1, 1277670420), (2, 638835210), (3, 425890140), (4, 319417605), (5, 255534084), (6, 212945070), (9, 141963380), (10, 127767042), (12, 106472535), (13, 98282340), (15, 85178028), (18, 70981690), (20, 63883521), (26, 49141170), (30, 42589014), (36, 35490845), (39, 32760780), (45, 28392676), (52, 24570585), (60, 21294507), (65, 19656468), (78, 16380390), (90, 14196338), (97, 13171860), (117, 10920260), (130, 9828234), (156, 8190195), (169, 7560180), (180, 7098169), (194, 6585930), (195, 6552156), (234, 5460130), (260, 4914117), (291, 4390620), (338, 3780090), (388, 3292965), (390, 3276078), (433, 2950740), (468, 2730065), (485, 2634372), (507, 2520060), (582, 2195310), (585, 2184052), (676, 1890045), (780, 1638039), (845, 1512036), (866, 1475370), (873, 1463540), (970, 1317186), (1014, 1260030), (1164, 1097655), (1170, 1092026), (1261, 1013220), (1299, 983580), (1455, 878124), (1521, 840020), (1690, 756018), (1732, 737685), (1746, 731770), (1940, 658593), (2028, 630015), (2165, 590148), (2340, 546013), (2522, 506610), (2535, 504012), (2598, 491790), (2910, 439062), (3042, 420010), (3380, 378009), (3492, 365885), (3783, 337740), (3897, 327860), (4330, 295074), (4365, 292708), (5044, 253305), (5070, 252006), (5196, 245895), (5629, 226980), (5820, 219531), (6084, 210005), (6305, 202644), (6495, 196716), (7566, 168870), (7605, 168004), (7794, 163930), (8660, 147537), (8730, 146354), (10140, 126003), (11258, 113490), (11349, 112580), (12610, 101322), (12990, 98358), (15132, 84435), (15210, 84002), (15588, 81965), (16393, 77940), (16887, 75660), (17460, 73177), (18915, 67548), (19485, 65572), (22516, 56745), (22698, 56290), (25220, 50661), (25980, 49179), (28145, 45396), (30420, 42001), (32786, 38970), (33774, 37830)]