644488512

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 224

約数和(自身を含む): 1911705600

約数和(自身を除く): 1267217088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 41, 48, 57, 62, 64, 76, 82, 93, 96, 114, 123, 124, 139, 152, 164, 186, 192, 228, 246, 248, 278, 304, 328, 372, 417, 456, 492, 496, 556, 589, 608, 656, 744, 779, 834, 912, 984, 992, 1112, 1178, 1216, 1271, 1312, 1488, 1558, 1668, 1767, 1824, 1968, 1984, 2224, 2337, 2356, 2542, 2624, 2641, 2976, 3116, 3336, 3534, 3648, 3813, 3936, 4309, 4448, 4674, 4712, 5084, 5282, 5699, 5952, 6232, 6672, 7068, 7626, 7872, 7923, 8618, 8896, 9348, 9424, 10168, 10564, 11398, 12464, 12927, 13344, 14136, 15252, 15846, 17097, 17236, 18696, 18848, 20336, 21128, 22796, 24149, 24928, 25854, 26688, 28272, 30504, 31692, 34194, 34472, 37392, 37696, 40672, 42256, 45592, 48298, 49856, 51708, 56544, 61008, 63384, 68388, 68944, 72447, 74784, 81344, 81871, 84512, 91184, 96596, 103416, 108281, 113088, 122016, 126768, 136776, 137888, 144894, 149568, 163742, 169024, 176669, 182368, 193192, 206832, 216562, 244032, 245613, 253536, 273552, 275776, 289788, 324843, 327484, 353338, 364736, 386384, 413664, 433124, 491226, 507072, 530007, 547104, 579576, 649686, 654968, 706676, 772768, 827328, 866248, 982452, 1060014, 1094208, 1159152, 1299372, 1309936, 1413352, 1545536, 1732496, 1964904, 2120028, 2318304, 2598744, 2619872, 2826704, 3356711, 3464992, 3929808, 4240056, 4636608, 5197488, 5239744, 5653408, 6713422, 6929984, 7859616, 8480112, 10070133, 10394976, 11306816, 13426844, 15719232, 16960224, 20140266, 20789952, 26853688, 33920448, 40280532, 53707376, 80561064, 107414752, 161122128, 214829504, 322244256, 644488512]

約数ペア:

[(1, 644488512), (2, 322244256), (3, 214829504), (4, 161122128), (6, 107414752), (8, 80561064), (12, 53707376), (16, 40280532), (19, 33920448), (24, 26853688), (31, 20789952), (32, 20140266), (38, 16960224), (41, 15719232), (48, 13426844), (57, 11306816), (62, 10394976), (64, 10070133), (76, 8480112), (82, 7859616), (93, 6929984), (96, 6713422), (114, 5653408), (123, 5239744), (124, 5197488), (139, 4636608), (152, 4240056), (164, 3929808), (186, 3464992), (192, 3356711), (228, 2826704), (246, 2619872), (248, 2598744), (278, 2318304), (304, 2120028), (328, 1964904), (372, 1732496), (417, 1545536), (456, 1413352), (492, 1309936), (496, 1299372), (556, 1159152), (589, 1094208), (608, 1060014), (656, 982452), (744, 866248), (779, 827328), (834, 772768), (912, 706676), (984, 654968), (992, 649686), (1112, 579576), (1178, 547104), (1216, 530007), (1271, 507072), (1312, 491226), (1488, 433124), (1558, 413664), (1668, 386384), (1767, 364736), (1824, 353338), (1968, 327484), (1984, 324843), (2224, 289788), (2337, 275776), (2356, 273552), (2542, 253536), (2624, 245613), (2641, 244032), (2976, 216562), (3116, 206832), (3336, 193192), (3534, 182368), (3648, 176669), (3813, 169024), (3936, 163742), (4309, 149568), (4448, 144894), (4674, 137888), (4712, 136776), (5084, 126768), (5282, 122016), (5699, 113088), (5952, 108281), (6232, 103416), (6672, 96596), (7068, 91184), (7626, 84512), (7872, 81871), (7923, 81344), (8618, 74784), (8896, 72447), (9348, 68944), (9424, 68388), (10168, 63384), (10564, 61008), (11398, 56544), (12464, 51708), (12927, 49856), (13344, 48298), (14136, 45592), (15252, 42256), (15846, 40672), (17097, 37696), (17236, 37392), (18696, 34472), (18848, 34194), (20336, 31692), (21128, 30504), (22796, 28272), (24149, 26688), (24928, 25854)]