78181504

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 182131200

約数和(自身を除く): 103949696

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 61, 62, 64, 68, 76, 122, 124, 128, 136, 152, 244, 248, 272, 304, 323, 488, 496, 527, 544, 589, 608, 646, 976, 992, 1037, 1054, 1088, 1159, 1178, 1216, 1292, 1891, 1952, 1984, 2074, 2108, 2176, 2318, 2356, 2432, 2584, 3782, 3904, 3968, 4148, 4216, 4636, 4712, 5168, 7564, 7808, 8296, 8432, 9272, 9424, 10013, 10336, 15128, 16592, 16864, 18544, 18848, 19703, 20026, 20672, 30256, 32147, 33184, 33728, 35929, 37088, 37696, 39406, 40052, 41344, 60512, 64294, 66368, 67456, 71858, 74176, 75392, 78812, 80104, 121024, 128588, 132736, 143716, 148352, 157624, 160208, 242048, 257176, 287432, 315248, 320416, 514352, 574864, 610793, 630496, 640832, 1028704, 1149728, 1221586, 1260992, 1281664, 2057408, 2299456, 2443172, 2521984, 4114816, 4598912, 4886344, 9772688, 19545376, 39090752, 78181504]

約数ペア:

[(1, 78181504), (2, 39090752), (4, 19545376), (8, 9772688), (16, 4886344), (17, 4598912), (19, 4114816), (31, 2521984), (32, 2443172), (34, 2299456), (38, 2057408), (61, 1281664), (62, 1260992), (64, 1221586), (68, 1149728), (76, 1028704), (122, 640832), (124, 630496), (128, 610793), (136, 574864), (152, 514352), (244, 320416), (248, 315248), (272, 287432), (304, 257176), (323, 242048), (488, 160208), (496, 157624), (527, 148352), (544, 143716), (589, 132736), (608, 128588), (646, 121024), (976, 80104), (992, 78812), (1037, 75392), (1054, 74176), (1088, 71858), (1159, 67456), (1178, 66368), (1216, 64294), (1292, 60512), (1891, 41344), (1952, 40052), (1984, 39406), (2074, 37696), (2108, 37088), (2176, 35929), (2318, 33728), (2356, 33184), (2432, 32147), (2584, 30256), (3782, 20672), (3904, 20026), (3968, 19703), (4148, 18848), (4216, 18544), (4636, 16864), (4712, 16592), (5168, 15128), (7564, 10336), (7808, 10013), (8296, 9424), (8432, 9272)]