320679872

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 112

約数和(自身を含む): 710062080

約数和(自身を除く): 389382208

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 47, 62, 64, 76, 94, 124, 152, 181, 188, 248, 304, 362, 376, 496, 589, 608, 724, 752, 893, 992, 1178, 1216, 1448, 1457, 1504, 1786, 1984, 2356, 2896, 2914, 3008, 3439, 3572, 4712, 5611, 5792, 5828, 6878, 7144, 8507, 9424, 11222, 11584, 11656, 13756, 14288, 17014, 18848, 22444, 23312, 27512, 27683, 28576, 34028, 37696, 44888, 46624, 55024, 55366, 57152, 68056, 89776, 93248, 106609, 110048, 110732, 136112, 161633, 179552, 213218, 220096, 221464, 263717, 272224, 323266, 359104, 426436, 442928, 527434, 544448, 646532, 852872, 885856, 1054868, 1293064, 1705744, 1771712, 2109736, 2586128, 3411488, 4219472, 5010623, 5172256, 6822976, 8438944, 10021246, 10344512, 16877888, 20042492, 40084984, 80169968, 160339936, 320679872]

約数ペア:

[(1, 320679872), (2, 160339936), (4, 80169968), (8, 40084984), (16, 20042492), (19, 16877888), (31, 10344512), (32, 10021246), (38, 8438944), (47, 6822976), (62, 5172256), (64, 5010623), (76, 4219472), (94, 3411488), (124, 2586128), (152, 2109736), (181, 1771712), (188, 1705744), (248, 1293064), (304, 1054868), (362, 885856), (376, 852872), (496, 646532), (589, 544448), (608, 527434), (724, 442928), (752, 426436), (893, 359104), (992, 323266), (1178, 272224), (1216, 263717), (1448, 221464), (1457, 220096), (1504, 213218), (1786, 179552), (1984, 161633), (2356, 136112), (2896, 110732), (2914, 110048), (3008, 106609), (3439, 93248), (3572, 89776), (4712, 68056), (5611, 57152), (5792, 55366), (5828, 55024), (6878, 46624), (7144, 44888), (8507, 37696), (9424, 34028), (11222, 28576), (11584, 27683), (11656, 27512), (13756, 23312), (14288, 22444), (17014, 18848)]