644431968

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 288

約数和(自身を含む): 2075673600

約数和(自身を除く): 1431241632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 29, 31, 32, 36, 38, 48, 57, 58, 62, 72, 76, 87, 93, 96, 114, 116, 124, 131, 144, 152, 171, 174, 186, 228, 232, 248, 261, 262, 279, 288, 304, 342, 348, 372, 393, 456, 464, 496, 522, 524, 551, 558, 589, 608, 684, 696, 744, 786, 899, 912, 928, 992, 1044, 1048, 1102, 1116, 1178, 1179, 1368, 1392, 1488, 1572, 1653, 1767, 1798, 1824, 2088, 2096, 2204, 2232, 2356, 2358, 2489, 2697, 2736, 2784, 2976, 3144, 3306, 3534, 3596, 3799, 4061, 4176, 4192, 4408, 4464, 4712, 4716, 4959, 4978, 5301, 5394, 5472, 6288, 6612, 7068, 7192, 7467, 7598, 8091, 8122, 8352, 8816, 8928, 9424, 9432, 9918, 9956, 10602, 10788, 11397, 12183, 12576, 13224, 14136, 14384, 14934, 15196, 16182, 16244, 17081, 17632, 18848, 18864, 19836, 19912, 21204, 21576, 22401, 22794, 24366, 26448, 28272, 28768, 29868, 30392, 32364, 32488, 34162, 34191, 36549, 37728, 39672, 39824, 42408, 43152, 44802, 45588, 48732, 51243, 52896, 56544, 59736, 60784, 64728, 64976, 68324, 68382, 72181, 73098, 77159, 79344, 79648, 84816, 86304, 89604, 91176, 97464, 102486, 117769, 119472, 121568, 129456, 129952, 136648, 136764, 144362, 146196, 153729, 154318, 158688, 169632, 179208, 182352, 194928, 204972, 216543, 231477, 235538, 238944, 258912, 273296, 273528, 288724, 292392, 307458, 308636, 353307, 358416, 364704, 389856, 409944, 433086, 462954, 471076, 546592, 547056, 577448, 584784, 614916, 617272, 649629, 694431, 706614, 716832, 819888, 866172, 925908, 942152, 1059921, 1094112, 1154896, 1169568, 1229832, 1234544, 1299258, 1388862, 1413228, 1639776, 1732344, 1851816, 1884304, 2119842, 2237611, 2309792, 2459664, 2469088, 2598516, 2777724, 2826456, 3464688, 3703632, 3768608, 4239684, 4475222, 4919328, 5197032, 5555448, 5652912, 6712833, 6929376, 7407264, 8479368, 8950444, 10394064, 11110896, 11305824, 13425666, 16958736, 17900888, 20138499, 20788128, 22221792, 26851332, 33917472, 35801776, 40276998, 53702664, 71603552, 80553996, 107405328, 161107992, 214810656, 322215984, 644431968]

約数ペア:

[(1, 644431968), (2, 322215984), (3, 214810656), (4, 161107992), (6, 107405328), (8, 80553996), (9, 71603552), (12, 53702664), (16, 40276998), (18, 35801776), (19, 33917472), (24, 26851332), (29, 22221792), (31, 20788128), (32, 20138499), (36, 17900888), (38, 16958736), (48, 13425666), (57, 11305824), (58, 11110896), (62, 10394064), (72, 8950444), (76, 8479368), (87, 7407264), (93, 6929376), (96, 6712833), (114, 5652912), (116, 5555448), (124, 5197032), (131, 4919328), (144, 4475222), (152, 4239684), (171, 3768608), (174, 3703632), (186, 3464688), (228, 2826456), (232, 2777724), (248, 2598516), (261, 2469088), (262, 2459664), (279, 2309792), (288, 2237611), (304, 2119842), (342, 1884304), (348, 1851816), (372, 1732344), (393, 1639776), (456, 1413228), (464, 1388862), (496, 1299258), (522, 1234544), (524, 1229832), (551, 1169568), (558, 1154896), (589, 1094112), (608, 1059921), (684, 942152), (696, 925908), (744, 866172), (786, 819888), (899, 716832), (912, 706614), (928, 694431), (992, 649629), (1044, 617272), (1048, 614916), (1102, 584784), (1116, 577448), (1178, 547056), (1179, 546592), (1368, 471076), (1392, 462954), (1488, 433086), (1572, 409944), (1653, 389856), (1767, 364704), (1798, 358416), (1824, 353307), (2088, 308636), (2096, 307458), (2204, 292392), (2232, 288724), (2356, 273528), (2358, 273296), (2489, 258912), (2697, 238944), (2736, 235538), (2784, 231477), (2976, 216543), (3144, 204972), (3306, 194928), (3534, 182352), (3596, 179208), (3799, 169632), (4061, 158688), (4176, 154318), (4192, 153729), (4408, 146196), (4464, 144362), (4712, 136764), (4716, 136648), (4959, 129952), (4978, 129456), (5301, 121568), (5394, 119472), (5472, 117769), (6288, 102486), (6612, 97464), (7068, 91176), (7192, 89604), (7467, 86304), (7598, 84816), (8091, 79648), (8122, 79344), (8352, 77159), (8816, 73098), (8928, 72181), (9424, 68382), (9432, 68324), (9918, 64976), (9956, 64728), (10602, 60784), (10788, 59736), (11397, 56544), (12183, 52896), (12576, 51243), (13224, 48732), (14136, 45588), (14384, 44802), (14934, 43152), (15196, 42408), (16182, 39824), (16244, 39672), (17081, 37728), (17632, 36549), (18848, 34191), (18864, 34162), (19836, 32488), (19912, 32364), (21204, 30392), (21576, 29868), (22401, 28768), (22794, 28272), (24366, 26448)]