1277732820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:471

約数の個数: 288

約数和(自身を含む): 4539943296

約数和(自身を除く): 3262210476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 101, 105, 130, 140, 147, 156, 182, 195, 196, 202, 210, 245, 260, 273, 294, 303, 331, 364, 390, 404, 420, 455, 490, 505, 546, 588, 606, 637, 662, 707, 735, 780, 910, 980, 993, 1010, 1092, 1212, 1274, 1313, 1324, 1365, 1414, 1470, 1515, 1655, 1820, 1911, 1986, 2020, 2121, 2317, 2548, 2626, 2730, 2828, 2940, 3030, 3185, 3310, 3535, 3822, 3939, 3972, 4242, 4303, 4634, 4949, 4965, 5252, 5460, 6060, 6370, 6565, 6620, 6951, 7070, 7644, 7878, 8484, 8606, 9191, 9268, 9555, 9898, 9930, 10605, 11585, 12740, 12909, 13130, 13902, 14140, 14847, 15756, 16219, 17212, 18382, 19110, 19695, 19796, 19860, 21210, 21515, 23170, 24745, 25818, 26260, 27573, 27804, 29694, 30121, 32438, 33431, 34755, 36764, 38220, 39390, 42420, 43030, 45955, 46340, 48657, 49490, 51636, 55146, 59388, 60242, 64337, 64545, 64876, 66862, 69510, 74235, 78780, 81095, 86060, 90363, 91910, 97314, 98980, 100293, 110292, 120484, 128674, 129090, 133724, 137865, 139020, 148470, 150605, 162190, 167155, 180726, 183820, 193011, 194628, 200586, 210847, 234017, 243285, 257348, 258180, 275730, 296940, 301210, 321685, 324380, 334310, 361452, 386022, 401172, 421694, 434603, 451815, 468034, 486570, 501465, 551460, 602420, 632541, 643370, 668620, 702051, 772044, 843388, 869206, 903630, 936068, 965055, 973140, 1002930, 1054235, 1170085, 1265082, 1286740, 1303809, 1404102, 1638119, 1738412, 1807260, 1930110, 2005860, 2108470, 2173015, 2340170, 2530164, 2607618, 2808204, 3042221, 3162705, 3276238, 3510255, 3860220, 4216940, 4346030, 4680340, 4914357, 5215236, 6084442, 6325410, 6519045, 6552476, 7020510, 8190595, 8692060, 9126663, 9828714, 12168884, 12650820, 13038090, 14041020, 15211105, 16381190, 18253326, 19657428, 21295547, 24571785, 26076180, 30422210, 32762380, 36506652, 42591094, 45633315, 49143570, 60844420, 63886641, 85182188, 91266630, 98287140, 106477735, 127773282, 182533260, 212955470, 255546564, 319433205, 425910940, 638866410, 1277732820]

約数ペア:

[(1, 1277732820), (2, 638866410), (3, 425910940), (4, 319433205), (5, 255546564), (6, 212955470), (7, 182533260), (10, 127773282), (12, 106477735), (13, 98287140), (14, 91266630), (15, 85182188), (20, 63886641), (21, 60844420), (26, 49143570), (28, 45633315), (30, 42591094), (35, 36506652), (39, 32762380), (42, 30422210), (49, 26076180), (52, 24571785), (60, 21295547), (65, 19657428), (70, 18253326), (78, 16381190), (84, 15211105), (91, 14041020), (98, 13038090), (101, 12650820), (105, 12168884), (130, 9828714), (140, 9126663), (147, 8692060), (156, 8190595), (182, 7020510), (195, 6552476), (196, 6519045), (202, 6325410), (210, 6084442), (245, 5215236), (260, 4914357), (273, 4680340), (294, 4346030), (303, 4216940), (331, 3860220), (364, 3510255), (390, 3276238), (404, 3162705), (420, 3042221), (455, 2808204), (490, 2607618), (505, 2530164), (546, 2340170), (588, 2173015), (606, 2108470), (637, 2005860), (662, 1930110), (707, 1807260), (735, 1738412), (780, 1638119), (910, 1404102), (980, 1303809), (993, 1286740), (1010, 1265082), (1092, 1170085), (1212, 1054235), (1274, 1002930), (1313, 973140), (1324, 965055), (1365, 936068), (1414, 903630), (1470, 869206), (1515, 843388), (1655, 772044), (1820, 702051), (1911, 668620), (1986, 643370), (2020, 632541), (2121, 602420), (2317, 551460), (2548, 501465), (2626, 486570), (2730, 468034), (2828, 451815), (2940, 434603), (3030, 421694), (3185, 401172), (3310, 386022), (3535, 361452), (3822, 334310), (3939, 324380), (3972, 321685), (4242, 301210), (4303, 296940), (4634, 275730), (4949, 258180), (4965, 257348), (5252, 243285), (5460, 234017), (6060, 210847), (6370, 200586), (6565, 194628), (6620, 193011), (6951, 183820), (7070, 180726), (7644, 167155), (7878, 162190), (8484, 150605), (8606, 148470), (9191, 139020), (9268, 137865), (9555, 133724), (9898, 129090), (9930, 128674), (10605, 120484), (11585, 110292), (12740, 100293), (12909, 98980), (13130, 97314), (13902, 91910), (14140, 90363), (14847, 86060), (15756, 81095), (16219, 78780), (17212, 74235), (18382, 69510), (19110, 66862), (19695, 64876), (19796, 64545), (19860, 64337), (21210, 60242), (21515, 59388), (23170, 55146), (24745, 51636), (25818, 49490), (26260, 48657), (27573, 46340), (27804, 45955), (29694, 43030), (30121, 42420), (32438, 39390), (33431, 38220), (34755, 36764)]