644811904

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 1562803200

約数和(自身を除く): 917991296

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 32, 34, 44, 62, 64, 68, 79, 88, 121, 124, 128, 136, 158, 176, 187, 242, 248, 272, 316, 341, 352, 374, 484, 496, 527, 544, 632, 682, 704, 748, 869, 968, 992, 1054, 1088, 1264, 1343, 1364, 1408, 1496, 1738, 1936, 1984, 2057, 2108, 2176, 2449, 2528, 2686, 2728, 2992, 3476, 3751, 3872, 3968, 4114, 4216, 4898, 5056, 5372, 5456, 5797, 5984, 6952, 7502, 7744, 8228, 8432, 9559, 9796, 10112, 10744, 10912, 11594, 11968, 13904, 14773, 15004, 15488, 16456, 16864, 19118, 19592, 21488, 21824, 23188, 23936, 26939, 27808, 29546, 30008, 32912, 33728, 38236, 39184, 41633, 42976, 43648, 46376, 53878, 55616, 59092, 60016, 63767, 65824, 67456, 76472, 78368, 83266, 85952, 92752, 107756, 111232, 118184, 120032, 127534, 131648, 152944, 156736, 162503, 166532, 171904, 185504, 215512, 236368, 240064, 255068, 263296, 296329, 305888, 313472, 325006, 333064, 371008, 431024, 457963, 472736, 480128, 510136, 592658, 611776, 650012, 666128, 742016, 862048, 915926, 945472, 1020272, 1185316, 1223552, 1300024, 1332256, 1724096, 1831852, 1890944, 2040544, 2370632, 2600048, 2664512, 3448192, 3663704, 4081088, 4741264, 5037593, 5200096, 5329024, 7327408, 8162176, 9482528, 10075186, 10400192, 14654816, 18965056, 20150372, 20800384, 29309632, 37930112, 40300744, 58619264, 80601488, 161202976, 322405952, 644811904]

約数ペア:

[(1, 644811904), (2, 322405952), (4, 161202976), (8, 80601488), (11, 58619264), (16, 40300744), (17, 37930112), (22, 29309632), (31, 20800384), (32, 20150372), (34, 18965056), (44, 14654816), (62, 10400192), (64, 10075186), (68, 9482528), (79, 8162176), (88, 7327408), (121, 5329024), (124, 5200096), (128, 5037593), (136, 4741264), (158, 4081088), (176, 3663704), (187, 3448192), (242, 2664512), (248, 2600048), (272, 2370632), (316, 2040544), (341, 1890944), (352, 1831852), (374, 1724096), (484, 1332256), (496, 1300024), (527, 1223552), (544, 1185316), (632, 1020272), (682, 945472), (704, 915926), (748, 862048), (869, 742016), (968, 666128), (992, 650012), (1054, 611776), (1088, 592658), (1264, 510136), (1343, 480128), (1364, 472736), (1408, 457963), (1496, 431024), (1738, 371008), (1936, 333064), (1984, 325006), (2057, 313472), (2108, 305888), (2176, 296329), (2449, 263296), (2528, 255068), (2686, 240064), (2728, 236368), (2992, 215512), (3476, 185504), (3751, 171904), (3872, 166532), (3968, 162503), (4114, 156736), (4216, 152944), (4898, 131648), (5056, 127534), (5372, 120032), (5456, 118184), (5797, 111232), (5984, 107756), (6952, 92752), (7502, 85952), (7744, 83266), (8228, 78368), (8432, 76472), (9559, 67456), (9796, 65824), (10112, 63767), (10744, 60016), (10912, 59092), (11594, 55616), (11968, 53878), (13904, 46376), (14773, 43648), (15004, 42976), (15488, 41633), (16456, 39184), (16864, 38236), (19118, 33728), (19592, 32912), (21488, 30008), (21824, 29546), (23188, 27808), (23936, 26939)]